Revised Sep 30th, 2024

Satoshi Usami 1

CURRICULUM VITAE
Satoshi Usami, Ph.D.
Associate Professor, University of Tokyo
Contact: Faculty of Education/Graduate School

Home Page: http://usami-lab.com/index-e.html

of Education, University of Tokyo. 7-3-1 Hongo,

Date of Birth: 09/27/1984 (40 years old)

Bunkyo-ku, Tokyo, 113-0033, Japan.

Nationality: Japanese

E-mail: usami s@p.u-tokyo.ac.jp
Research interests: longitudinal data analysis, structural equation modeling, item response theory,model selection, causal inference, within-person relation, recursive partitioning, decision tree,
experimental design, sample size determination, psychological scaling, Bayesian data analysis, computational statistics,
educational measurement, development of educational, psychological, medical and clinical tests.
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1. FORMAL EDUCATION
April 2013―March 2014

Postdoctoral, University of Southern California(with John, J, McArdle)

April 2012―March 2013

Postdoctoral, Tokyo Institute of Technology(with Shin-ichi Mayekawa)

March 2012

Ph.D., University of Tokyo.

(advisor Tomokazu Haebara)

March 2009

M.A., University of Tokyo.

(advisor Tomokazu Haebara)

March 2007

B.A., University of Nagoya.

(advisor Hiroyuki Noguchi)

2. PROFESSIONAL POSTITIONS AND TEACHING
April 2021―present

Associate Professor, Faculty of Education/Graduate School of Education, University of Tokyo.

April 2021―present

The University of Tokyo Excellent Young Researcher.

April 2021―present

Associate Professor, Center for Research and Development on Transition from
Secondary to Higher Education, University of Tokyo. (Concurrent post)

April 2020―present

Statistical consultant, Tokyo Metropolitan Institute of Medical Science.

October 2019―present

Part-time instructor, Division of Plastic Surgery, Nippon Medical School.

May 2019―August 2019, March 2020
April 2017―March 2021

Visiting Researcher, University of Chicago, USA. (with Dr. Guanglei Hong).

Associate Professor, Center for Research and Development on Transition from
Secondary to Higher Education, University of Tokyo.

April 2017―March 2021

Associate Professor, Graduate School of Education, University of Tokyo. (Concurrent post)

April 2016―March 2017

Part-time instructor, Department of Education, University of Tokyo.

April 2016―March 2017

Part-time instructor, Graduate School of Sociology, Toyo University.

December 2015―December 2017
September 2015

Honorary Research Fellow, University of Reading, UK (with Dr. Kou Murayama).

Visiting Researcher, Utrecht University, Netherlands (with Dr. Ellen Hamaker).

September 2015―December 2015

Part-time instructor, Graduate School of Education, University of Tokyo.

September 2015―December 2015

Part-time instructor, Department of Education, University of Tokyo.

October 2014

Visiting Scholar, Tokyo Metropolitan Institute of Medical Science.

September 2014―September 2015

Honorary Research Fellow, University of Reading, UK (with Dr. Kou Murayama).

1Revised Sep 30th, 2024
April 2014―March 2017

Satoshi Usami 2
Associate Professor, Dept of Psychology, Faculty of Human Sciences,
University of Tsukuba.

April 2012―March 2013

Japan Society for the Promotion of Science (JSPS) research fellow (PD)

April 2009―March 2013

Teaching assistant, department of psychology, University of Senshu.

April 2009―March 2012

Japan Society for the Promotion of Science (JSPS) research fellow (DC1)

April 2009―March 2012

Part-time instructor, department of psychology, University of Komazawa.

July 2008―Febrary 2012

Instructor, department of Education, University of Tokyo.

3. RESEARCH GRANT ACTIVITY
April 2023―March 2027

JSPS KAKENHI of Grant-in-Aid for Scientific Research (C).(3,500,000 Japanese yen)

Developing a flexible and robust method for inferring reciprocal relations in longitudinal design:
Applications to psychological research.
April 2021―

Start-up fund for the University of Tokyo Excellent Young Researcher.(6,000,000 Japanese yen)

April 2019―March 2023

JSPS KAKENHI of Grant-in-Aid for Young Scientists.(4,290,000 Japanese yen)

Developing a robust method for estimating longitudinal changes, relations and group diﬀerences:
Applications to educational and developmental psychology.
May 2019

University of Tokyo for Young Researchers International Deployment program, University of Tokyo.

December 2016―January 2017

Dispatched program for the promotion of international joint research,

University of Tsukuba (525,000 Japanese yen)
April 2016―March 2019

JSPS KAKENHI of Grant-in-Aid for Young Scientists B. (3,770,000 Japanese yen)

Developing a robust method to model misspecification in longitudinal data analysis:
Applications to educational and developmental psychology.
December 2015―January 2016

Dispatched program for the promotion of international joint research,

University of Tsukuba (560,000 Japanese yen)
September 2014―March 2016

JSPS KAKENHI for Research Activity Startup. (2,730,000 Japanese yen)

Development of classification method for longitudinal data and its application to educational and developmental
psychological data.
August 2014―February 2015

Dispatched program for the promotion of international joint research,

University of Tsukuba (1,000,000 Japanese yen)
April 2012―March 2015

JSPS KAKENHI Grant Number (PD, 24・5868) (3,600,000 Japanese yen)

Methodological investigation of latent change score model and its applications for longitudinal data analysis.
April 2009―March 2012

JSPS KAKENHI Grant Number (DC1, 21・6892) (2,800,000 Japanese yen)

Practical investigation for operation of essay-type test -Investigation of measurement problems anddevelopment of data analysis methodApril 2007―March 2009

Scholarship from Benesse Corporation (500,000 Japanese yen)

4. AWARDS AND HONORS
September, 2023

Alumni Chairman Award, Alumni association at the Division of Plastic Surgery,
Nippon Medical School.

September, 2020

IUPsyS Young Investigator Award, International Union of Psychological Science

September, 2017

Distinguished Young Researcher Award for International Research, Japanese Psychological Association2

Revised Sep 30th, 2024

Satoshi Usami 3

August, 2017

Hayashi-Chikio excellence award, The Behavior Metric Society for Japan

November, 2014

Excellent paper award, The Japanese Association of School HealthNovember, 2012

Excellent paper award, The Japanese Association of Educational Psychology

September, 2011

Hidano-Tadashi・Mizuno Kinji incentive award, The Behavior Metric Society for Japan

July, 2011

Kido incentive award, The Japanese Association of Educational Psychology

May, 2010

Student research presentation award, The Japanese Society of Computational Statistics

December, 2009

Presentation Award, The Japan Association of Research on Testing

November, 2009

S-plus user conference student presentation award,

May, 2009

Student research presentation award, The Japanese Society of Computational Statistics

5. PROFESSIONAL PUBLICATIONS
Books and Book Chapters in Japanese and Translations
22. Usami, S. (2020). Fisher’s exact p-values for completely randomized experiments In G.W. Imbens & D.B. Rubin/Sigemasu, K., Hoshino, T. translation supervisor. Causal inference for statistics, social, and biomedical sciences: An
introduction. Asakura Pulishing Co., Ltd.
21. Usami, S. (2020). Essay-type question from the view of test theory. Nakamura, T (ed). A guidebook for university
entrance examination. (In Japanese) Iwanami Publishing Co. in press.
20. Usami, S. (2019). Multiple Regression and Hierarchical Linear Model. Shigemasu, K., & Yamada, T (ed). Foundation and Practice for Licensed Psychologist 5. Psychological Statistics.
19. Usami, S. (2018). (5)Statistical methods in psychology. Nojima, K. (ed). A guide of university and graduate schoolfor licensed psychologists. Kokoro-no-Kagaku. Nippon Hyoron Sha co. ltd (In Japanese)
18. Publication Committee of Japanese version of the Wechsler Adult Intelligence Scale-IV (2018). Japanese version of
the Wechsler Adult Intelligence Scale-IV Manual. Nihon Bunka Kagakusha Co., Ltd.
17. Translation supervisor of ”Morimoto, Y. (in press). Educational data mining and learning analytics. IN R.K,
Sawyer/Oshima,J., Mori, T., Akita, K., Shirouzu, H. Mochizuki, T., Masukawa, H. The Cambridge Handbook of the
Learning Sciences (2nd ed)”.
16. Usami, S. M. Lovric (Ed.) (2011). International Encyclopedia of Statistical Science. Editorial Board of ”International
Encyclopedia of Statistical Science” in Japan Statistical Society. (Translation of ”Moderating and Mediating Variables in
Psychology”, ”Psychological Testing Theory”, ”Psychology, Statistics in”).
15. Usami, S. (in press). Meta analysis structural equation modeling/Meta analysis for correlation and actual example. In
Okada,, R. & Onodera, T. (Ed). Introduction to Meta Analysis (In Japanese) Nakanishiya Publication.
14. Usami, S. (2017). Reviews of Data Science Methodology and Introduction to R courses into Japanese for IBM Big
Data University.
13. Okada, K., & Usami, S. (in press). Latent Variable Modeling. (In Japanese) Iwanami Publishing Co.
12. Usami, S. (2016). Translation of Data Science Methodology course into Japanese for IBM Big Data University.
11. Usami, S. (in press). Growth curve modeling and longitudinal factor analysis by Ram, N., & Grimm, K.J. In R.M.
Lerner/Ninomiya, K., Koyasu, M. translation supervisor. Handbook of Child Psychology and Developmental Science,
Wiley.
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Satoshi Usami 4

10. Usami, S. (2017). Sample size determination for developmental and educational psychology. In Murai, J. &Hashimoto, T. (Ed). Introduction to the method of sample size determination in psychological research. Kodansha.
9. Usami, S. (2017). Classification of longitudinal data by decision tree and structural equation modeling tree. In Shojima, K. (Ed). Psychometrics in personality psychology.
8. Usami, S. (2016). Revision process of the test/Reliability and Validity of the test. In Ueno, K., Nagoshi, N., & Asahide
Research Institute for Mentally retarded. S-M social ability test (3rd ed). Nihon Bunka Kagakusha Co., Ltd.
7. Usami, S. (2015). Reliability and validity in developing psychological scales and tests. In Yamada, T. (Ed). Psychological Research Method by R.
6. Usami, S. & Shojima, K. (2015). Hattatsushinnrigakunotamenotoukei (in Japanese) Seishin-Shobo. (Statistics fordevelopmental psychology -longitudinal data analysis-)
5. J.D. Singer & J.B. Willett/ Sugawara, M. translation supervisor (2014). Applied longitudinal data analysis. Asakura
Pulishing Co., Ltd. (Section 13.3, 15.3, 15.4).
4. Usami, S. (2013). Validity and Reliability of FOSCOM. In Tohkawa, T., Usami, S., Ui, M., Kajinawa, H., Komori,K., & Tanaka, R. Format of observation for social communication (FOSCOM) Escor Co.
3. Usami, S. (2013). Reliability and validity of the test. In Satake, T., Adachi, A., Ikeda, Y., & Usami, S. HIRAGANA
test for children based on sign-significate relations (HITSS) Escor Co.
2. Usami, S. (2012). Making process of Asahide-Social Adaptive Skills Test. In Hidano, T. ed, Asahide ResearchInstitute for Mentally retarded (2012). ASA Asahide-Social Adaptive Skills Test. Nihon Bunka Kagakusha Co., Ltd.
1. Usami, S. (2011). Bayesian Estimation of Multivariate Location Parameter/Bayesian Modeling in the Wavelet Domain. In D.K. Dey & C.R. Rao/Sigemasu, K., Kishino, H., Omori, Y. translation supervisor Handbook of Statistics 25
Asakura Pulishing Co., Ltd.

Peer-Reviewed Articles
117. Mulder, J.D., Usami, S., & Hamaker, E.L. (in press). Joint eﬀects in cross-lagged panel research using structural
nested mean models. Structural Equation Modeling.
116. Usami, S. (under review). A two step robust estimation approach to infer within-person relation in longitudinal
design: Tutorial and simulations.
115. Donnellan, E., Usami, S., & Murayama, K. (in press). Random item slope regression: Examining both similarities
and diﬀerences in the association with individual items. Psychological Methods.
114. Saso, S., Oka, M., & Usami, S. (2024). Examining estimation accuracy of cognitive diagnostic models in classroom
contexts: Focusing on the impact of model misspecification and diﬀerent estimation methods. Proceedings of the Instituteof Statistical Mathematics, 72(1), 121-146. (In Japanese)
113. Abe, Y., & Usami, S. (2024). A meta-analysis of the eﬀects of verbal feedback by a teacher on academic performance and moderating eﬀects. Japanese Journal of Behaviormetrics, 51(1), 45-54. (In Japanese)
112. Cho, H., Dohi, T., Wakai, H., Quong, W.L. Linh, N.D.T., Usami, S., & Ogawa, R. (in press). In the face and neck,keloid scar distribution is related to skin thickness and stiﬀness changes associated with movement. Wound Repair andRegeneration.
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Satoshi Usami 5111. Minami, R., Yamasaki, S., Kiyono, T., Tanaka, R., Kanata, S., Fujikawa, S., Usami, S., Stanyon, D., Nishida, A.,
Kasai, K., & Ando, S. (2024). Psychotic experiences and dissociation in adolescents: Within-person analysis in the Tokyo
teen cohort. Schizophrenia Research, 270, 416-422.
110. Nakanishi, M., Perry, M, Bejjani, R., Yamaguchi, S., Usami, S., & van der Steen, J.T. (2024). Longitudinal associations between subjective cognitive impairment, pain and depressive symptoms in home-dwelling older adults: Modellingwithin-person eﬀects. International Journal of Geriatric Psychiatry, 39(5):e6103.
109. Uno, A., Nagaoka, D., Usami, S., Yamaguchi, S., Minami, R., Tanaka, R., Sawai, Y., Okuma, A., Yamasaki, S.,
Miyashita, M., Nishida, A., Kasai, K., & Ando,S. (in press). Suicidal thoughts and trajectories of psychopathological andbehavioral symptoms in adolescence. JAMA network open, 7(1), e2353166-e2353166.
108. Nagaoka, D., Uno, A., Usami, S., Tanaka, R., Minami, R., Sawai, Y., Okuma, A., Yamasaki, S., Miyashita, M.,
Nishida, A., Kasai, K., & Ando, S. (in press). Identify adolescents’ help-seeking intention on suicide through self- andcaregiver’s assessments of psychobehavioral problems: deep clustering of the Tokyo TEEN Cohort study. The Lancet
Regional Health Western Pacific, 43.
107. Kinoshita, K., Usami, S., & Matsuoka, H. (in press). Perceived event impacts of the Tokyo 2020 Olympic Games on
residents

eudaimonic well-being: a longitudinal study of within-person changes and relationships. Sport Management

Review, 27(3), 455-479.
106. Narita, Z., DeVylder, J., Yamasaki, S., Ando, S., Endo, K., Miyashita, M., Yamaguchi, S., Usami, S., Stanyon,
D., Knowles, G., Hiraiwa-Hasegawa, M., Furukawa, T.A., Kasai, K, & Nishida, A. (2023). Uncovering associations between gender nonconformity, psychosocial factors, and mental health in adolescents: a birth cohort study. Psychological
medicine, 54(5), 921-930.
105. Usami, S. (2022). Within-person variability score-based causal inference: A two-step estimation for joint eﬀects oftime-varying treatments. Psychometrika, 88(4), 1466-1494.
104. DeVylder, J., Yamaguchi, S., Hosozawa, M., Yamasaki, S., Ando, S., Miyashita, M., Endo, K., Stanyon, D., Usami,S., Kanata, S., Tanaka, R., Minami, R., Hiraiwa ‐ Hasegawa, M., Kasai, K., Nishida, A. (2023). Adolescent psychotic
experiences before and during the COVID ‐ 19 pandemic: a prospective cohort study. Journal of Child Psychology andPsychiatry, 65(6), 776-784.
103. Toriumi, K., Iino, K., Ozawa, A., Miyashita, M., Yamasaki, S., Suzuki, K., Sugawa, H., Tabata, K., Yamaguchi, S.,
Usami, S., Itokawa, M., Nishida, A., Nagai, R., Kamiguchi, H., & Arai, M. (in press). Glucuronic acid is a novel sourceof pentosidine, associated with schizophrenia. Redox Biology, 102876.
102. Aihara, M., Jinnouchi, H., Yoshida, A, Ijima, H., Sakurai, Y., Hayashi, T., Koizumi, C., Kubota, T., Usami, S.,
Yamauchi, T., Sakata, T., Kadowaki, T., & Kubota, N. (2023). Evaluation of glycated albumin levels in tears and saliva asa marker in patients with diabetes mellitus. Diabetes Research and Clinical Practice, 199. 110637.
101. Stanyon, D., DeVylder, J., Yamasaki, S., Yamaguchi, S., Ando, S., Usami, S., Endo, K., Miyashita, M., Kanata,S., Morimoto, Y., Hosozawa, M., Baba, K., Nakajima, N., Niimura, J., Nakanishi, M., Hiraiwa-Hasegawa, M., Kasai,K., & Nishida,A. (2023). Auditory hallucinations and self-injurious behavior in general populationadolescents: modelingwithin-person eﬀects in the Tokyo teen cohort. Schizophrenia bulletin, 49, 329-338.
100. Hosozawa, M., Ando, S., Yamaguchi, S., Yamasaki, S., DeVylder, J., Miyashita, M., Endo, K., Stanyon, D.,
Knowles, G., Nakanishi, M., Usami, S., Iso, H., Furukawa,T.A., Hiraiwa-Hasegawa, M., Kasai,K., & Nishida, A. (in5

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Satoshi Usami 6press). Sex diﬀerence in adolescent depression trajectory before and into the second year of COVID-19 pandemic. Journal of the American Academy of Child and Adolescent Psychiatry, 65(5), 539-548.
99. Yamaguchi, S., Ando, S., Miyashita, M., Usami, S., Yamasaki, S., Endo, K., DeVylder, J., Stanyon, D., Baba, K.,
Nakajima, N., Niimura, J., Nakanishi, M., Hiraiwa-Hasegawa,M., Kasai,K. & Nishida, A. (in press). Longitudinal relationships between help-seeking intention and depressive symptoms in adolescents: results from within-person analyses in
the Tokyo Teen Cohort. Journal of Adolescent Health, 73(6), 1361-1367.
98. Okuma, K., Sawada, M., Aihara, M., Doi, S., Sekine, R., Usami, S., Ohe, K., Kubota, N., & Yamauchi, T. (2023).
Impact of the COVID-19 pandemic on the glycemic control and medication in people with diabetes mellitus: a retrospective cross-sectional observational study. Journal of Diabetes Investigation, 14(8), 985-993.
97. Tomita, Y., Suzuki, K., Yamasaki, S., Toriumi, K., Miyashita, M., Ando, S., Endo, K., Yoshikawa, A., Tabata, K.,
Usami, S., Hiraiwa-Hasegawa, M., Itokawa, M., Kawaji, H., Kasai, K., Nishida, A., & Arai, M. (2023). Urinary exosomal
microRNAs as predictive biomarkers for persistent psychotic-like experiences. Schizophrenia, 9(1), 14.
96. Hayashi, T., Wada, N., Kubota, T., Koizumi, C., Sakurai, Y., Aihara, M., Usami, S., Yamauchi, T., & Kubota, N.
(2023). Associations of sleep quality with the skeletal muscle strength in patients with type 2 diabetes with poor glycemic
control. Journal of Diabetes Investigation, 14, 801-810.
95. Sawada, M., Ohkuma, K., Aihara, M., Doi, S., Sekine, R., Ichi, I., Usami, S., Ohe, K., Yamauchi, T., & Kubota, N.,(2023). Impact of the COVID-19 pandemic on the glycemic control, eating habits and body compositions of people withdiabetes mellitus. Journal of Diabetes Investigation, 14, 321-328.
94. Usami, S. (2022). Statistical models for the inference of within-person relations: A random intercept cross-lagged
panel model and its interpretation (In Japanese). The Japanese Journal of Developmental Psychology, 33, 267-286.
93. Usami, S., & Hong, G. (to be submitted). A causal analysis for reciprocal relations between variables in longitudinal
design: Comparing structural equation modeling and potential outcome approaches.
92. Hayes, T., & Usami, S. (in revision). Using factor score residuals to diagnose the presence of correlated uniquefactors in structural regression models.
91. Murayama, K., Usami, S., & Sakaki, M. (in press). Summary-statistics-based power analysis: A new and practicalmethod to determine sample size for mixed-eﬀects modelling. Psychological Methods, 27(6), 1014-1038.
90. Ando, S., Suzuki, H., Matsukawa, T., Usami, S., Muramatsu, H., Fukunaga, T., Yokoyama, K., Okazaki, Y., &Nishida,A. (2022). Comparison of lithium levels between suicide and non-suicide fatalities: cross-sectional study. Translational Psychiatry, 12:466.
89. Hosozawa, M., Cable, N., Yamasaki, S., Ando, S., Endo, K., Usami, S., Nakanishi, M., Niimura, J., Nakajima, N.,Baba, K., Oikawa, N., Stanyon, D., Suzuki, K., Miyashita, M., Iso, H., Hiraiwa-Hasegawa, M., Kasai, K., & Nishida,
A. (2022). Predictors of chronic loneliness during adolescence: a population-based cohort study. Child and Adolescent
Psychiatry and Mental Health, 16, 1-9.
88. Tabata, K., Miyashita, N., Yamasaki, S., Toriumi, K., Ando, S., Suzuki, K., Endo, K., Morimoto, Y., Tomita, Y.,
Yamaguchi, S., Usami, S., Itokawa, M., Hiraiwa-Hasegawa, M., Takahashi, H., Kasai, K., Nishida, A. & Arai, M. (inpress). Hair zinc levels and psychosis risk among adolescents. Schizophrenia, 8, 107.
87. Zhou, R., Foo, J.C. Yamaguchi, S., Nishida, A., Ogawa, S., Usami, S., Togo, F. & Sasaki, T. (in press). The

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Satoshi Usami 7

longitudinal relationship between sleep duration and psychotic-like experiences in adolescents. Psychiatry Research.
Nov;317:114893.
86. Akiyama, G., Ono, S., Sekine, T., Usami, S., & Ogawa,R. (in press). A scoring system that predicts diﬃcult lipoma
resection: Logistic regression and 10-fold cross validation analysis. Dermatology and Therapy.
85. Kiyono, T., Ando, S., Morishima, R., Fujikawa, S., Kanata, S., Morimoto, Y., Endo, K., Yamasaki, S., Usami, S.,
Hiraiwa-Hasegawa, M., Nishida, A., Kasai, K. (in press). Sex-based diﬀerences in the longitudinal association between
autistic traits and positive psychotic experiences in adolescents: A population-based cohort study. Schizophrenia Research, 246.
84. Kanehara, A., Morishima, R., Takahashi, Y., Koike, H., Usui, K., Sato, S., Uno, S., Sawai, Y., Kumakura, Y., Yagishita, S., Usami, S., Morita,M., Morita,K., Kanata,S., Okada,N., Yamasaki,S., Nishida,A., Ando, S., Koike, S., Shibuya,T., Joseph, S., Kasai, K. (in press). Young carers in Japan: Reliability and validity testing of the BBC/University of
Nottingham young carers survey questionnaire and prevalence estimation in 5,000 adolescents. Psychiatry and Clinical
Neuroscience Reports.
83. Suzuki, K., Yamasaki, S., Miyashita, M., Ando, S., Toriumi, K., Yoshikawa, A., Nakanishi, M., Morimoto, Y., Kanata,
S., Fujikawa, S., Endo, K., Koike, S., Usami, S., Itokawa, M., Washizuka, S., Hiraiwa-Hasegawa, M., Meltzer, H.Y., Kasai, K., Nishida,A., & Arai, M. (in press). Role of advanced glycation end products in the longitudinal association between
muscular strength and psychotic symptoms among adolescents. Schizophrenia.
82. Morishima, R., Usami, S., Ando, S., Kiyono, T., Morita, M., Fujikawa, S., Araki, T., & Kasai, K. (in press). Trajectoryand course of problematic alcohol use after the Great East Japan Earthquake: Eight-year follow-up of Higashi-Matsushimacohort study. Alcoholism: Clinical and Experimental Research, 46, 570-580.
81. Endo, K., Yamasaki, S., Nakanishi, M., DeVylder, J., Usami, S., Morimoto, Y., Stanyon, D., Suzuki, K., Miyashita,M., Arai, M., Fujikawa, S., Kanata, S., Ando, S., Hiraiwa-Hasegawa, M., Kasai, K., & Nishida, A. (2022). Psychotic
experiences predict subsequent loneliness among adolescents: A population-based birth cohort study. Schizophrenia research, 239, 123-127.
80. Morishima, R., Kumakura, Y, Usami, S., Kanehara, A., Tanaka, M., Okochi, N., Nakajima, N., Hamada, J., Ogawa,T., Ando, S., Tamune, H., Nakahara, M., Jinde, S., Kano, Y., Tanaka, K., Hirata, Y., Oka, A., & Kasai, K. (2022). Medical,
welfare, and educational challenges and psychological distress in parents caring for an individual with 22q11.2 deletion
syndrome: a cross-sectional survey in Japan. American Journal of Medical Genetics Part A, 188, 37-45.
79. Usami, S. (2021). On the diﬀerences between general cross-lagged panel model and random-intercept cross-lagged
panel model: Interpretation of cross-lagged parameters and model choice.Structural Equation Modeling, 28, 331-344.
78. Yagi, T., Ando, S., Usami, S., Yamasaki, S., Morita, M., Kiyono, T., Hayashi, N., Endo, K., Iijima, Y., Morimoto,Y., Kanata, S., Fujikawa, S., Koike, S., Kano, Y., Hiraiwa-Hasegawa, M., Nishida, A., & Kasai,K. (2021). Longitudinalbidirectional relationships between maternal depressive/anxious symptoms and children’s Tic frequency in early adolescence. Frontiers in Psychiatry. DOI: 10.3389/fpsyt.2021.767571
77. Hasegawa, Y., Ijichi, H., Saito, K., Ishigaki, K., Takami, M., Sekine, R., Usami, S., Nakai, Y., Koike, K., & Kubota,
N. (2021). Protein intake after the initiation of chemotherapy is an independent prognostic factor for overall survival inpatients with unresectable pancreatic cancer: A prospective cohort study. Clinical Nutrition, 40, 4792-4798.
76. Miyashita, M., Yamasaki, S., Ando, S., Suzuki, K., Toriumi, K., Horiuchi, Y., Yoshikawa, A., Imai, A., Nagase, Y.,
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Miyano, Y., Inoue, T., Endo, K., Morimoto, Y., Morita, M., Kiyono, T., Usami, S., Okazaki, Y., Furukawa, T.A., HiraiwaHasegawa, M., Itokawa, M., Kasai, K., Nishida, A., & Arai, M. (2021). Fingertip advanced glycation end products andpsychotic symptoms among adolescents. npj Schizophrenia, 7, 37.
75. Kobori, A., Miyashita, M., Miyano, Y., Suzuki, K., Toriumi, K., Niizato, K., Oshima, K., Imai, A., Nagase, Y.,
Yoshikawa ,A., Horiuchi, Y., Yamasaki, S., Nishida, A., Usami, S., Takizawa, S., Itokawa, M., & Arai, H. (2021). Advanced glycation end products and cognitive impairment in schizophrenia. PLOS ONE. 16(5):e0251283
74. Nakanishi, M., Shibasaki, R., Yamasaki, S., Miyazawa, S., Usami, S., Nishiura, H., & Nishida, A. (2021). COVID-19
and on-site dining in Tokyo: A time-series analysis using mobile phone location data. JMIR mHealth and uHealth, 9(5),e27342.
73. He, H., Usami, S., Rikimaru, Y., & Jiang, L. (2021). Cultural roots of parenting: mothers parental social cognitions
and practices from Western US and Shanghai/China. Frontiers in Psychology.
72. Sugimoto, A., Ono, S., Usami, S., Nitta, T., & Ogawa, R. (in press). Older patients and patients with severe arteriosclerosis are less likely to develop keloids and hypertrophic scars after thoracic midline incision: A survey-based
analysis of 328 cases. Plastic and Reconstructive Surgery.
71. Sawada, M., Kubota, N., Sekine, R., Yakabe, M., Kojima, T., Umeda-Kameyama, Y., Usami, S., Akishita, M., &Ogawa,S. (2021). Sex-related diﬀerences in the eﬀects of nutritional status and body composition on functional disability
in the elderly. PLOS ONE, 16(2), e0246276
70. Aihara, M., Kubota, N., Minami, T., Shirakawa, R., Sakurai, Y., Hayashi, T., Iwamoto, M., Takamoto, I., Kubota, T.,
Suzuki, R., Usami, S., Jinnouchi, H., Aihara, M., Yamauchi, T., Sakata, T., & Kadowaki, T. (2021). Association between
tear and blood glucose concentrations: random intercept model adjusted with confounders in tear samples negative foroccult blood. Journal of Diabetes Investigation, 12, 266-276.
69. Hayes, T., & Usami, S. (2020). Factor score regression in connected measurement models containing cross-loadings.
Structural Equation Modeling, 27, 942-951.
68. Hayes, T., & Usami, S. (2020). Factor score regression in the presence of correlated unique factors. Educational andPsychological Measurement, 80, 5-40.
67. Morishima, R., Usami, S., Ando,S., Kiyono,T., Morita,M., Fujikawa,S., Araki,T., & Kasai,K. (2020). Living in
temporary housing and later psychological distress after the Great East Japan Earthquake of 2011: A cross-lagged panel
model. SSM-Population Health, 11, 100629.
66. Yamaguchi, S., Ojio, Y., Foo, J.C., Michigami, E., Usami, S., Fuyama, T., Ohnuma, K., Oshima, N., Ando, S., Togo,
F., & Sasaki, T., (2020). A quasi-cluster randomized controlled trial of a classroom-based mental health literacy educational intervention to promote knowledge and help-seeking/helping behavior in adolescents. Journal of Adolescence, 82,
58-66.
65. Endo, K., Yamasaki, S., Ando, S., Kikusui, T., Mogi, K., Nagasawa, M., Kamimura, I., Ishihara, J., Nakanishi, M.,
Usami, S., Hiraiwa-Hasegawa, M., Kasai, K., & Nishida, A. (2020). Dog and cat ownership predicts adolescents mental
well-being: a population-based longitudinal study. International Journal of Environmental Research and Public Health,17, 884.
64. Sugimoto, N., Nishida, A., Ando, S., Usami, S., Toriyama, R., Morimoto, Y., Koike, S., Yamasaki, S., Kanata, S.,

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Fujikawa, S., Furukawa, T., Sasaki, T., Hasegawa, M., & Kasai, K. (2020). Use of social networking sites and desire
for slimness among 10-year-old girls and boys: A population-based birth cohort study. International Journal of Eating
Disorders, 53, 288-295.
63. Usami, S. (2020).The issues of Structural Equation Model Trees (SEM Trees) and model misspecification. Japanese
Journal of Computational Statistics. (In Japanese)
62. Usami, S. (2020). Confidence interval-based sample size determination and some mathematical properties for hierarchical data. British Journal of Mathematical and Statistical Psychology, 73, 1-31.
61. Usami, S., Murayama, K., & Hamaker, E.L. (2019). A unified framework of longitudinal models to examine reciprocal relations. Psychological Methods, 24, 637-657.
60. Usami, S., Todo, N., & Murayama, K. (2019). Modeling reciprocal eﬀects in medical research: Critical discussion on
the current practices and potential alternative models. PLOS ONE, 14:e0209133. https://doi.org/10.1371/journal.pone.0209133.
59. Usami, S., Jacobucci, R., & Hayes, T. (2019). Performance of latent growth model based structural equation model
trees to uncover population heterogenity. Computational Statistics, 34, 1-22.
58. Ando, S., Nishida, A., Yamasaki, S., Koike, S., Morimoto, Y., Hoshino, A., Kanata, S., Fujikawa, S., Endo, K.,
Usami, S., Furukawa, T.A., Hiraiwa-Hasegawa, M., & Kasai, K. (2019). Cohort profile: Tokyo Teen Cohort study (TTC).
International Journal of Epidemiology.
57. Ando, S., Usami, S., Matsubayashi, T., Ueda, M., Koike, S., Yamasaki, S., Fujikawa, S., Sasaki, T., HiraiwaHasegawa, M., Patton, C., Kasai, K., & Nishida, A. (2019). Age relative to school class peers and emotional well-beingin 10-year-olds. PLOS ONE. https://doi.org/10.1371/journal.pone.0214359
56. Yamasaki, S., Ando, S., Richards, M., Hatch, S.L., Koike, S., Fujikawa, S., Kanata, S., Endo, K., Morimoto, Y., Arai,
M., Okado, H., Usami, S., Furukawa, T.A, Hiraiwa-Hasegawa, M, Kasai, K., & Nishida, A. (2019). Maternal diabetes inearly pregnancy, and psychotic experiences and depressive symptoms in 10-year-old oﬀspring: a population-based birthcohort study. Schizophrenia Research, 206, 52-57.
55. Ojio, Y., Foo, J.C. Usami, S., Fuyama, T., Ashikawa, M., Ohnuma, K., Oshima, N., Ando, S., Togo, F., & Sasaki, T.
(2019). Eﬀects of a school teacher-led 45-min educational program for mental health literacy in pre-teens. Early Intervention in Psychiatry, 13, 984-988.
54. Usami, S. (submitted). Inferring longitudinal changes and relations from multivariate cross-sectional data: A timeinvariant score and two-stage multiple imputation.
53. Usami, S., & Murayama, K. (2018). Time-specific errors in growth curve modeling: Type-1 error inflation and apossible solution with mixed-eﬀects models. Multivariate Behavioral Research, 53, 876-897.
52. Usami, S., (2018). Incorportating latent traits into the statistical model: The role of item response theory and recent
developments. Statistics, 8, 16-22. (In Japanese).
51. Morishima, R., Ando, S., Araki, T., Usami, S., Kanehara, A., Tanaka, S., & Kasai, K. (2018). The course of chronicand delayed onset of mental illness and the risk for suicidal ideation after the Great East Japan Earthquake of 2011: A
community-based longitudinal study. Psychiatry Research, 273, 171-177.
50. Fujikawa, S., Ando, S., Nishida, A., Usami, S., Koike, S., Yamasaki, S., Morimoto, Y., Toriyama, R., Kanata, S.,
Sugimoto, N., Sasaki, T., Furukawa, T.A., Hiraiwa-Hasegawa, M., & Kasai, K. (2018). Disciplinary slapping is associated9Revised Sep 30th, 2024

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with bullying involvement regardless of warm parenting in early adolescence. Journal of Adolescence, 68, 207-216.
49. Ando, S., Nishida, A., Usami, S. Koike, S., Yamasaki, S., Kanata, S., Fujikawa, S., Furukawa, T., Fukuda, A., Sawyer,
S., Hiraiwa-Hasegawa, M., & Kasai, K. (2018). Help-seeking intention for depression in early adolescents: associatedfactors and sex diﬀerence. Journal of Aﬀective Disorders, 238, 359-365.
48. Itokawa, M., Miyashita, M., Arai, M., Dan, T., Takahashi, K., Tokunaga, T., Ishimoto, K., Toriumi, K., Ichikawa, T.,
Horiuchi, Y., Kobori, A., Usami, S., Yoshikawa, T., Amano,N., Washizuka,S., Okazaki,Y., & Miyata, T. (2018). Pyridoxamine, a novel treatment for schizophrenia with enhanced carbonyl stress. Psychiatry and Clinical Neurosciences, 72,
35-44.
47. Yamasaki, S., Usami, S., Sasaki, R., Koike, S., Ando, S., Kitagawa, Y., Matamura, M. Fukushima, M., Yonehara,
H., Foo, J.C., Nishida, A., Sasaki, T., (2017). The association between changes in depression/anxiety and trajectories ofpsychotic-like experiences over a year in adolescence. Schizophrenia Research, 195, 149-153.
46. Endo, K., Ando, S., Shimodera, S., Yamasaki, S., Usami, S., Okazaki, Y., Sasaki, T., & Nishida,A. (2017).
Preference for solitude, social isolation, and suicidal behaviours in adolescents. Journal of Adolescent Health. doi:
10.1016/j.jadohealth.2017.02.018.
45. Usami, S. (2017). Education for psychometrics. Kokoronokagaku. 196. 24-27. Nippon Hyoron Sha co.,Ltd (InJapanese).
44. Fujisato, H., Ito, M., Takebayashi, Y., Hosogoshi, H., Kato, N., Nakajima, S., Miyamae, M., Oe, Y., Usami, S., Kanie,
A., Horikoshi, M. & Berking, M., (2017). Reliability and validity of the Japanese version of the emotion regulation skills
questionnaire. Journal of Aﬀective Disorders, 208, 145-152.
43. Ito, A., & Usami, S., (2017). Revising the Classroom Climate Inventory for junior high school students second
version. Japanese Journal of Educational Psychology, 65, 91-105. (In Japanese)
42. Usami, S., Hayes, T., & McArdle, J.J. (2017). Fitting structural equation model trees and latent growth curve mixture
models in longitudinal designs: The influence of model misspecification in estimating the number of classes. Structural
Equation Modeling, 24, 585-598.
41. Kanehara, A., Araki, T., Usami, S., Kuwabara, H., Kano, Y., Kasai, K., Ando, S. (2016). Trends in psychologicaldistress and alcoholism after The Great East Japan Earthquake of 2011. SSM - Population Health, 2, 807-812.
40. Fujikawa, S., Ando, S., Shimodera, S., Koike, S., Usami, S., Toriyama, R., Kanata, S., Sasaki, T., Kasai, K., Okazaki,
Y., Nishida, A., (2016). The association of current violence from adult family members with adolescent bullying involvement and suicidal feelings. PLOS ONE, 11, e0163707.
39. Kanata, S., Koike, S., Ando, S., Nishida, A., Usami, S., Yamasaki, S., Morimoto, Y., Toriyama, R., Fujikawa, S.,
Sugimoto, N., Sasaki, T., Furukawa, T., Hasegawa, M., & Kasai, K. (2016). Enuresis and hyperactivity-inattention inearly adolescence: Findings from a population-based survey in Tokyo (Tokyo Early Adolescence Survey). PLOS ONE,11, e0158786.
38. Usami, S. (2016). Statistical methods for clinical epidemiology. Investigating causal relationship through longitudinal
data and within-person correlation (In Japanese). Seishinka, 29, 513-518.
37. Yamasaki, S., Ando, S., Koike, S., Usami, S., Endo, K., French, P., Sasaki, T., Furukawa, T., Hasegawa-Hiraiwa,
M., Kasai, K., & Nishida, A. (2016). Dissociation mediates the relationship between peer victimization and hallucinatory10

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Satoshi Usami 11

experiences among early adolescents. Schizophrenia Research: Cognition, 4, 18-23.
36. Usami, S. (2016). Development and management of essay-type test (2): Development of essay-type test. ―A qualityof test from the point of view of reliability and validity―. Shiken to Kenshu, 29, 10-15. (In Japanese)
35. Usami, S. (2016). Development and management of essay-type test (1): What is a ”good test”? ―A concept of
reliability and validity―. Shiken to Kenshu, 28, 18-22. (In Japanese)
34. Usami, S. (2016). Recent advances in measurement, evaluation and research methods for educational psychology-Reconsideration of issues for a shortage of experts and education in psychometrics and necessity of ”development ofexperts by experts”-. (in press). The Annual Report of Educational Psychology in Japan, 55, 83-100. (In Japanese)
33. Todo, N., & Usami, S∗ . (2016). Fitting finite mixture models in longitudinal design: A recommendation for model
selection and estimation of the number of classes. Structural Equation Modeling, 23, 695-712. (*Corresponding author:
both authors contributed equally to this work)
32. Usami, S., (2016). Generalized sample size determination formulas for evaluating contextual eﬀects in three-level
data. Psychometrika, 82, 133-157.
31. Yamasaki, S., Ando, S., Shimodera, S., Endo, K., Okazaki, Y., Asukai, N., Usami, S., Nishida, A., & Sasaki, T.
(2016). The recognition of mental illness, schizophrenia identification, and help-seeking from friends in late adolescence.
PLOS ONE. 11, e0151298.
30. Usami, S., Sakamoto, A., Naito, J., & Abe, Y. (2016). Developing pairwise preference based personality test andexperimental investigation of its resistance to faking eﬀect by item response model. International Journal of Testing, 16,
288-309.
29. Kakei, Y., Akashi, M., Hasegawa, T., Minamikawa, T., Usami, S., & Komori, T. (2016). Incidence of venous thromboembolism after oral oncologic surgery with simultaneous reconstruction. Journal of Oral and Maxillofacial Surgery.
74, 212-217.
28. Adachi, S., Ikeda, Y., Satake, T., Usami, S., Sunahara, N., & Notoya, S. (2016). A survey of the development ofsyntactic comprehension in neurotypical infants. Journal of the Tsuruma Health Science Society. 39, 51-61.
27. Tochigi, M., Usami, S., Matamura, M., Kitagawa, Y., Fukushima, M., Yonehara, H., Togo, F., Nishida, A., & Sasaki,
T. (2015). Annual longitudinal survey at up to five time points reveals reciprocal eﬀects of bedtime delay and depression/anxiety in adolescents. Sleep Medicine, 17, 81-86. (The first three authors equally contributed to this work)
26. Hayes, T., Usami, S., Jacobucci, R & McArdle, J.J. (2015). Using classification and regression trees (CART) andrandom forests to analyze attrition: Results from two simulations. Psychology and Aging, 30, 911-929.
25. Usami, S., Hayes, T., & McArdle, J.J. (2015). Inferring longitudinal relationships between variables: model selection
between the latent change score and autoregressive cross-lagged factor models. Structural Equation Modeling, 23, 331342.
24. Usami, S., Hayes, T., & McArdle, J.J. (2015). On the mathematical relationship between latent change score modeland autoregressive cross-lagged factor approaches: Cautions for inferring causal relationship between variables. Multivariate Behavioral Research, 50, 676-687.
23. Usami, S. (2015). Bayesian longitudinal paired comparison model and its application to sports data using weighted
likelihood bootstrap. Communications in Statistics - Simulation and Computation.
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22. Nishida, A., Shimodera, S., Sasaki, T., Richards, M., Hatch, S.L., Yamasaki, S., Usami, S., Ando, S., Asukai, N., &Okazaki, Y, (2014). Risk for suicidal problems in poor-help-seeking adolescents with psychotic-like experiences: Findings from a cross-sectional survey of 16,131 adolescents. Schizophrenia Research. 159, 257-262.
21. Usami, S. (2014). Performances of information criteria for model selection in a latent growth curve mixture model.
Journal of the Japanese Society of Computational Statistics. 27, 17-48.
20. Usami, S. (2014). Constrained k-means on cluster proportion and distances among clusters for longitudinal data
analysis. Japanese Psychological Research. 56, 361-372.
19. Matamura, M., Tochigi, M, Usami, S., Yonehara, H., Fukushima, M., Nishida, A., Togo, F., & Sasaki, T. (2014).
Associations between sleep habits and mental health status and suicidality in the longitudinal survey of monozygotic-twinadolescents. Journal of Sleep Research. 23, 290-294. (The first three authors equally contributed to this work)
18. Usami, S. (2014). A convenient method and numerical tables for sample size determination in longitudinalexperimental research using multilevel models. Behavior Research Methods. 46, 1207-1219.
17. Usami, S. (2013). Generalized sample size determination formulas for experimental research with hierarchical data.
Behavior Research Methods. 46, 346-356.
16. Matamura, M., Usami, S., Fukushima, M., Yonehara, H., Togo, F., Nishida, A., & Sasaki, T. (2013). Longitudinal
relationship between sleep habits and mental health status in adolescents. Japan Journal of School Health, 55, 186-197.
(In Japanese)
15. Tohkawa, T., Usami, S., Ui, M., Kajinawa, H., Komori, K., & Tanaka, R. (2013). Development of the Format ofObservation for Social Communication (FOSCOM). Japanese Journal of Speech, Language and Hearing Research, 10,
142-151. (In Japanese)
14. Usami, S. (2013). Measurement Problems and Their Treatments in Essay-Type Tests. The Japanese Journal for
Research on Testing, 9, 145-164. (In Japanese)
13. Usami, S. (2012). A quantitative comparison of various factors for reliability of essay-type test. Japan Journal of
Educational Technology, 36, 451-464. (In Japanese)
12. Usami, S.,& Sugawara, I. (2012). A Longitudinal Investigation of Some Physical Traits of the Japanese Old Using
Latent Curve Models –Analysis of Japanese Longitudinal Study Data Using MCMC Method–

Japanese Journal of

Behaviormetrics, 39, 43-65. (In Japanese)
11. Usami, S. (2011). A Unified Method for Determining Sample Size Needed to Evaluate Mean Diﬀerence in Hierarchical Research Design and Construction of Numerical Table. -Focusing on statistical power and confidence interval ofeﬀect size- Japanese Journal of Educational Psychology, 59, 385-401. (In Japanese)
10. Usami, S., & Nagoshi, N. et al., (2011). Developing Social Adaptive Skills Test -Investigation of reliability, validity
and clinical usability for the test- Japanese Journal of Educational Psychology, 59, 278-294. (In Japanese)
9. Usami, S. (2011). Generalized graded unfolding model with structural equation for subject parameters. Japanese
Psychological Research, 53, 221-232.
8. Usami, S. (2011). Statistical power of experimental research with hierarchical data. Behaviormetrika, 38, 63-84.
7. Usami, S. (2011). Statistical analysis of essay test data - Investigation of measurement problems by controlling length12Revised Sep 30th, 2024

Satoshi Usami 13

of essays- Japanese Journal of Behaviormetrics, 38, 33-50. (In Japanese)
6. Usami, S. (2010). Individual diﬀerences multidimensional Bradley-Terry model using reversible jump Markov chain
Monte Carlo algorithm. Behaviormetrika, 37, 135-155.
5. Usami, S. (2010). Polytomous Item Response Model That Considers Bias Factors about Raters and Examinees Simultaneously -Estimation through MCMC algorithm- Japanese Journal of Educational Psychology, 58, 163-175. (InJapanese)
4. Usami, S. (2009). Applicability of neural test theory -Discussing methodological problems and applying a polytomousmodel- The Japanese Journal for Research on Testing, 5, 65-79. (In Japanese)
3. Usami, S. (2009). Applying Gibbs sampler to multivariate hierarchical linear model. Proceedings of the World
Academy of Science, Engineering and Technology, 54, 340-342.
2. Usami, S. (2008). Analyzing paired-comparison data in the situation where judgement is aﬀected by multiple factors:
Approach from the Bradley-Terry model. The Japanese Journal of Psychology, 79, 536-541. (In Japanese)
1. Usami, S. (2008). What factor moderates the eﬀect of handwriting quality on essay test scoring -Investigation bymeta-analysis and experiment- The Japanese Journal for Research on Testing, 4, 73-83. (In Japanese)

6. PRESENTATIONS
Invited Talks
49. Usami, S. (2024). Full information maximum likelihood and multiple imputation. Tutorial seminar at 66th meetingof Japanese Association of Educational Psychology. Hamamatsu, Sep, 15.
48. Usami, S. (2024). Fundamentals of longitudinal data analysis: Longitudinal structural equation modeling (LSEM) .
Hiroshima University. March, 26.
47. Usami, S. (2024). Fundamentals of longitudinal data analysis: Longitudinal structural equation modeling (LSEM) .
National Center for Child Health and Development. February, 21.
46. Usami, S. (2024). Fundamentals of longitudinal data analysis: Longitudinal structural equation modeling (LSEM) .
Nagoya University. February, 16.
45. Usami, S. (2024). Recent developments in latent variable modeling: How to conduct model selection? Kansai University. January, 18.
44. Usami, S. (2023). Some topics on latent variable modeling applied in psychological research. University of Tokyo,
Nov, 14.
43. Usami, S. (2023). Introduction to DAG. Tokyo Metropolitan Institute of Medical Science. September, 12.
42. Usami, S. (2023). Symposium commemorating the 50th anniversary of the establishment of the Japanese Behaviormetric Society. August, 30.
41. Usami, S. (2022). Statistical models for the inference of within-person relations in longitudinal design. The 22nd
SNU International Conference on Education Research. Seoul National University, Korea. Oct, 21.
40. Usami, S. (2022). On the testing, measurement, assessment and applicability of item response theory. Ministry of
Health, Labour and Welfare. (online). April, 28.
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39. Usami, S. (2022). Statistical models for the inference of within-person relations: A random intercept cross-lagged
panel model and its interpretation. Tokyo Metropolitan Institute of Medical Science (online). April, 27.
38. Usami, S. (2022). Introduction to item response theory (online). March, 8.
37. Usami, S. (2022). The utility of panel studies for evaluating educational eﬀectiveness. CASEER Symposium at
University of Tokyo (online). February, 13.
36. Usami, S. (2021). Recent advances in investigating within-person relation from longitudinal data. Symposium at
32nd Annual Meeting for the Japan Society of Developmental Psychology, Mar, 31.
35. Usami, S. (2020). Introduction to longitudinal data analysis: Methodology for description and causation. The Center
for Early Childhood Development, Education, and Policy Research. University of Tokyo, Dec, 11.
34. Usami, S. (2020). Recent advances in longitudinal data analysis: Within-person variability score-based inference.
Keio University, Nov, 24.
33. Usami, S. (2020). Recent advances in longitudinal data analysis: Within-person variability score-based inference.
University of Tokyo, Jun, 23.
33. Usami, S. (2019). A unied framework of cross-lagged models: Inferring within-person relations. Shanghai Normal
University. Nov, 7.
32. Usami, S. (2019). A specified debater of “what has SEM brought to psychology?” Nihon university. Sep, 14.
31. Usami, S. (2019). A specified debater of “Can you perform eﬀective report of statistical results in psychology?”
Ritsumeikan University, Sep, 11.
30. Usami, S. (2019). Introduction to regression analysis and its applications: Illustration based on lipoma research.
Seminar at Nippon Medical School. June, 24.
29. Usami, S. (2018). Recent advances in cross-lagged longitudinal panel models. University of Tokyo, Dec, 11.
28. Usami, S. (2018). Methods and practices in item response theory: A methodology to develop test and scale that maintain high-quality of measurement. Tutorial seminar at 60th meeting of Japanese Association of Educational Psychology.
Keio University, Sep, 15.
27. Usami, S. (2018). A unied framework of cross-lagged models. University of Notre Dame. March, 8.
26. Usami, S. (2018). The utility of panel studies. Symposium at University of Tokyo. January, 7.
25. Usami, S. (2017). Statistics for medical sciences. Seminar at Nippon Medical School.
24. Usami, S. (2017). Hierarchical linear model. Tutorial seminar at 59th meeting of Japanese Association of Educational
Psychology. Nagoya, Oct, 9.
23. Usami, S. (2017). A specified debater of “Interpretation of regression coeﬃcients”. University of Kurume, September, 21.
22. Usami, S. (2017). Recent advances in longitudinal data analysis. University of Kurume, September, 21.
21. Usami, S. (2017). Theory and application of hierarchical linear model. University of Kyoto, June, 16.
20. Usami, S. (2016). Introduction to longitudinal data analysis. Tutorial seminar at 58th meeting of Japanese Association of Educational Psychology. Takamatsu, Oct, 9.
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19. Usami, S. (2016). Sample size determination in developmental and educational psychology. After Conference of
25th meeting of Japan Society of Personality Psychology. Kwansei Gakuin University. Sep, 16.
18. Usami, S. (2016). Reconsidering statistical methods and reproductivity. Seminar of social psychology of Universityof Tsukuba, Nagatoro, Aug, 19.
17. Usami, S. (2015). Using global mind set scales and some relevant issues. 2nd national council of super global highschool, Dec, 2.
16. Usami, S. (2015). Development of essay tests. Japan Center for Examination Research, Dec, 1.
15. Usami, S. (2015). Several measurement issues and its solutions in developing essay test. National Center for University Entrance Examinations. Nov 17.
14. Usami, S. (2015). Statistical classification by decision tree. Nikka whisky building Nov, 9.
13. Usami, S. (2015). A measurement issue in developing essay tests -reliability, validity and bias- Japan Personnel
Testing-service Association. Jun, 16.
12. Usami, S. (2015). Current situations surrounding children. -Promoting understanding and support-. Psychologicaltests and theory of psychological measurement. Course for teaching credential in 2015, University of Tsukuba, Jun, 6.
11. Usami, S. (2015). Introduction to R (1)-(3). University of Reading, UK, Feb 2,4,6.
10. Usami, S. (2014). Assumption of independence of data and determining survey an dexperimental design. 14th colloquium at University of Tsukuba, Nov, 26.
9. Usami, S. (2014). Mediation analysis, multilevel SEM and meta analysis. Symposium of 56th Japanese society of
Educational Psychology. Kobe, Nov, 8.
8. Usami, S. (2014). Classification of subjects by decision tree -focusing longitudinal data- Seminar of social psychology
of University of Tsukuba. Nasu, Aug 23.
7. Usami, S. (2014). My research activity: past, present, future. Brown Bag, University of Tokyo, Jul 2.
6. Usami, S. (2014). Why Simulation? -Actual practices in behavioral and psychological research- Presented at theuniversity of Southern California, GC3 Lecture, SGM 718, Feb 12.
5. Usami, S. (2013). Necessity of writing skill and its evaluation -Problems in essay tests. A symposium by The Japan
Association of Research on Testing.
4. Usami, S. (2012). Writing of doctor thesis. Graduate School of Education, University of Tokyo.
3. Usami, S. (2012). A review of measurement problems in essay tests and procedures to enhance its ”quality”. Benesse
Corporation.
2. Usami, S. (2012). A Longitudinal Investigation of Some Physical Traits of the Japanese Old Using Latent Curve
Models. 21st luncheon seminar at Graduate School of Decision Science and Technology, Tokyo Institute of Technology.
1. Usami, S. (2011). Estimation of the unknown number of components in latent growth curve mixture model. (Invited
Symposium). Paper Presented at the 76th Annual Meeting of Psychometric Society. The Hong Kong Institute of Education, Hong Kong.

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International Conferences
25. Usami, S. (2023). A two-step robust Estimation approach for inferring within-person relations in longitudinal design.
Paper presented at the 88th Annual Meeting of Psychometric Society. University of Maryland, USA. July, 25.
24. Usami, S. (2023). A two-step robust estimation approach for inferring within-person relations in longitudinal design.
Paper presented at the Modern Modeling Methods (M3) conference. University of Connecticut, USA. June, 28.
23. Usami, S. (2020). Within-person variability score-based causal inference: A two-Step semiparametric estimation forjoint eﬀects of time-varying treatments. presented at the 85th Annual Meeting of Psychometric Society.
22. Usami, S. (2019). A unified framework of longitudinal models to examine reciprocal relations. Joint Statistical
Meeting, Denver, USA.
21. Usami, S., Murayama, K. (2018). Random time errors in growth curve model. Paper presented at the 83rd Annual
Meeting of Psychometric Society. New York, USA.
20. Usami, S. (2017). A unified framework of cross-Lagged longitudinal models. Paper presented at the 82nd Annual
Meeting of Psychometric Society. Zurich, Switzerland.
19. Usami, S. (2016). Sample size determination for CRTs with randomization at any level. Paper presented at the 81st
Annual Meeting of Psychometric Society. Asheville, North Carolina, USA.
18. Kimpara, S., Regner, E., Usami, S., & Beutler, L.E. (2015). Systematic Treatment Selection (STS): How to monitor
therapists’ interventions and cross-cultural diﬀerences between North America and Argentina. 2015 APA Annual Convention.
17. Usami, S., Hayes, T., McArdle, J.J. (2015). Inferring longitudinal relationships between variables: Model selection
between the latent change score and autoregressive cross-lagged factor models. Paper presented at the 80th Annual Meeting of Psychometric Society. Beijing Normal University, China.
16. Sugimoto, M., Nishida, A., Toriyama, R., Koike, S., Morimoto, Y., Kanata, S., Fujikawa, S., Masaoka, M., & Usami,
S. (2015). Early exposure to social networking service increase children’s drive for thinness. Paper presented at theSociety for Adolescent Health and Medicine, Los Angeles, CA.
15. Usami, S., Hayes, T., McArdle, J.J. (2014). On the Relationship between Latent Change Score Model and Autoregressive Cross-Lagged Factor Approaches and Cautions for Assessing Longitudinal Relations between Variables. Paper
presented at the 79th Annual Meeting of Psychometric Society. Madison, Wisconsin, USA.
14. Kimpara, S., Holt, H., & Usami, S., (2013). Systematic treatment selection: How to improve therapists’ interventions.
2013 APA Annual Convention.
13. Usami, S. (2013). Generalized sample size determination formulas for experimental research with hierarchical data.
Paper presented at the 78th Annual Meeting of Psychometric Society. Arnhem, Netherland.
12. Akiyama, H., Sugawara, I., Usami, S., Liang, J., & Kamiyama, S. (2013). Health trajectories over 20 years: Eﬀects
of education, income and gender. The 20th IAGG World Congress of Gerontology and Geriatrics, Seoul, Korea, 6.23-27.
11. Usami, S. (2012). Investigation of mixture-modeling and some non-hierarchical clustering methods to detect heterogeneous developmental trajectories in longitudinal data analysis. Paper presented at the JCS-CLADAG (CLAssification
and Data Analysis Group) 12. Anacapri, Italy.

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10. Usami, S. (2012). Multivariate mean-based mixture modelling in longitudinal data analysis. Paper presented at the26th International Biometric Conference. Kobe, Japan.
9. Usami, S. (2012). Reliability and validity of essay tests under diﬀerent testing and scoring designs: a simulation study.
Paper presented at the 30th International Congress of Psychology. Cape Town, South Africa.
8. Usami, S. (2012). Exploratory non-hierarchical cluster analysis for pre-post designs. Paper presented at the 77th
Annual Meeting of Psychometric Society. Nebraska, USA.
7. Usami, S. (2011). On the relationship between the true number of components and needed sample size for finite
mixtures in some factor analysis models. Paper presented at the 5th Annual International Conference on Mathematics &Statistics. Athens, Greece.
6. Usami, S. (2010). Sample size determination for experimental studies with hierarchical data. Paper presented at the
19th International Conference on Computational Statistics, Paris, France.
5. Usami, S. (2010). Statistical power of experimental research with hierarchical data. Paper presented at the 75th Annual
Meeting of Psychometric Society. Georgia, USA.
4. Usami, S. (2010). Individual diﬀerences multidimensional Bradley-Terry model using reversible jump markov chainmonte carlo algorithm. Paper presented at the International Congress of Applied Psychology. Melbourne, Australia.
3. Usami, S. (2009). Statistical analysis of essay test data: Investigation of measurement problems with controlling lengthof essays. Paper presented at the 74th Annual Meeting of Psychometric Society. Cambridge, England.
2. Usami, S. (2009). Applying Gibbs sampler to multivariate hierarchical linear model. International Conference ofBehavioral and Psychological Science. Paris, France.
1. Usami, S. (2008). Generalized graded unfolding model with manifest variable. Paper presented at the 73rd Annual
Meeting of Psychometric Society. New Hampshire, USA.

7. PROFESSIONAL SERVICE
Ad hoc Journal Reviewer
Journal of the American Academy of Child and Adolescent Psychiatry (2024-)
Journal of Consulting and Clinical Psychology (2024-)
Learning and Individual Diﬀerences (2024-)
Journal of the Royal Statistical Society: Series A (2023-)
Personality and Individual Diﬀerences (2023-)
Dutch Research Council (NWO) review (2022-)
Psychotherapy Research (2022-)
Computational Statistics (2021-)
Journal of Behavioral Data Science (2021-)
Frontiers in Psychology -Quantitative Psychology and Measurement- (2020-)
European Journal of Personality (2020-)
AStA Advances in Statistical Analysis (2020-)
International Journal of Environmental Research and Public Health (2020-)

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Journal of Alzheimer’s Disease (2020-)
BMC Public Health (2020-)
Sustainability (2020-)
Behavioral Sciences (2019-)
Personality and Social Psychology Bulletin (2019-)
Psychological Methods (2019-)
Children and Youth Services Review (2019-)
Communications in Statistics - Theory and Methods (2019-)
Frontiers in Psychology -Psychology for Clinical Settings- (2019-)
The IEICE transactions on information and systems (Japanese edition) (2019-)
Journal of Aﬀective Disorders (2018-)
Structural Equation Modeling (2018-)
Luminescence (2018-)
Japanese Journal of Statistics and Data Science (2018-)
Developmental Psychology (2018-)
Studies in Higher Education (2018-)
Multivariate Behavioral Research (2018-)
International Conference on Physics, Mathematics and Statistics (2018-)
Clinical Epidemiology (2017-)
British Journal of Mathematical and Statistical Psychology (2017-)
Sleep Health (2017-)
Japan Journal of Educational Technology (2017-)
The Open Psychology Journal (2016-)
AERA Open (2016-)
Scientia Iranica (2016-)
Bulletin of data analysis of Japanese Classification Society (2016-)
Journal of Personality (2016-)
Tsukuba Psychological Research (2016-)
Child Development (2015-)
Statistics in Medicine (2015-)
Open Access Medical Statistics (2015-)
Educational and Psychological Measurement (2015-)
Japanese Journal of Applied Statistics (2015-)
Japanese Journal of Psychology (2015-)
Japanese Journal of Educational Psychology (2015-)
Journal of University Entrance Examination Research (2014-)
Open Access Journal of Clinical Trials (2014-)
Japanese Psychological Research (2014-)

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Journal of the Japan Statistical Society (2014-)
Journal of Applied Statistics (2014-)
Austin Journal of Nanomedicine and Nanotechnology (2013-)
Psychometrika (2013-)
Behavior Research Methods (2012-)
Japanese Journal of Behaviormetrics (2012-)
Behaviormetrika (2009-)
The Japanese Journal for Research on Testing (2009-)
Professional Aﬃliations
Psychometric Society
Japan Statistical Society (JSS)The Biometric Society for JapanThe Behavior Metric Society for JapanThe Japanese Society of Computational Statistics (JSCS)
The Japan Association of Research on Testing
The Japan Society for Education Technology
The Japanese Association of Educational Psychology
The Japanese Psychological Association
Biostatistical Research Association

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