bluuebunny/crossref_metadata_2025 huggingface dataset:
Parental Discipline and Child Psychosocial Outcomes in Iraq and Kurdistan: Evidence From a Nationally Representative Sample
Authors: Logan Matthew William , Pare Paul-Philippe , Dulisse Brandon
Published: May 2020

Few empirical studies have been conducted on populations in the Middle-East, particularly in Iraq and Iraqi Kurdistan, regarding the relationships between the type of discipline used by caregivers and its subsequent effect on children. Our analyses, which are based on data from the Iraq Multi-Cluster Survey 2018, replicate the prior work of scholars using Western samples, and suggest that variation in parental practices pertaining to the discipline of children is a robust predictor of several negative psychosocial outcomes among Iraqi and Kurdish youth. Specifically, we found that children who were subjected to various forms of violent physical discipline, psychological aggression, and neglectful parenting were more likely to exhibit an array of symptoms of psychosocial disorder, relative to measures of adequate parenting. Our analyses also provide strong support for the presence of comorbid psychosocial outcomes among Iraqi and Kurdish youth that stem from differences in the practice of parental discipline. The results of the current study are discussed regarding both theoretical and practical applications. The study’s limitations are also addressed and suggestions for future research on the discipline–outcome nexus are given.
Blind at First Sight: The Role of Distinctively Accurate and Positive First Impressions in Romantic Interest
Authors: Kerr Lauren Gazzard , Tissera Hasagani , McClure M. Joy , Lydon John E. , Back Mitja D. , Human Lauren J.
Published: May 2020

Viewing other people with distinctive accuracy—the degree to which personality impressions correspond with targets’ unique characteristics—often predicts positive interpersonal experiences, including liking and relationship satisfaction. Does this hold in the context of first dates, or might distinctive accuracy have negative links with romantic interest in such evaluative settings? We examined this question using two speed-dating samples (Sample 1: N = 172, N = 2,407 dyads; Sample 2: N = 397, N = 1,849 dyads). Not surprisingly, positive impressions of potential dating partners were strongly associated with greater romantic interest. In contrast, distinctively accurate impressions were associated with significantly less romantic interest. This association was even stronger for potential partners whose personalities were less romantically appealing, specifically, those lower in extraversion. In sum, on a first date, distinctive accuracy tends to be paired with lower romantic interest. The potential implications of distinctive accuracy for romantic interest and of romantic interest for distinctive accuracy are discussed.
Evaluation of Technological Innovations and the Industrial Ecosystem of Science Parks in Shanghai: An Empirical Study
Authors: Yan Min-Ren , Yan Haiyan , Zhan Lingyun , Yan Xinyue , Xu Mengen
Published: May 2020

Science parks and innovation policies have a major mission in driving innovative resources and nurturing emerging industries, while the government-academia-industry collaborations and the establishment of an ecosystem are essentials. To investigate the key driving forces for sustainable development of the collaborative ecosystem, this article evaluates the technological innovations and the ecosystem of Science Parks in Shanghai based on historical data obtained from Shanghai Zhangjiang Science Park (Zhangjiang Park in short). Systems thinking and causal loop analysis are adopted to explore the structure of the collaborative ecosystem and reflections of the policy impact on the science park. The role of the government in science parks and innovation ecosystems is identified with systems mapping and empirical study. The economic impact of Zhangjiang Park policies and the performance of innovation activities in Shanghai are further evaluated. Lessons learnt from the benchmarked science parks and policy implications for facilitating the innovation ecosystem are addressed.
Contributions of HOX genes to cancer hallmarks: Enrichment pathway analysis and review
Authors: Brotto Danielle Barbosa , Siena Ádamo Davi Diógenes , de Barros Isabela Ichihara , Carvalho Simone da Costa e Silva , Muys Bruna Rodrigues , Goedert Lucas , Cardoso Cibele , Plaça Jessica Rodrigues , Ramão Anelisa , Squire Jeremy Andrew , Araujo Luiza Ferreira , Silva Wilson Araújo da
Published: May 2020

Homeobox genes function as master regulatory transcription factors during development, and their expression is often altered in cancer. The HOX gene family was initially studied intensively to understand how the expression of each gene was involved in forming axial patterns and shaping the body plan during embryogenesis. More recent investigations have discovered that HOX genes can also play an important role in cancer. The literature has shown that the expression of HOX genes may be increased or decreased in different tumors and that these alterations may differ depending on the specific HOX gene involved and the type of cancer being investigated. New studies are also emerging, showing the critical role of some members of the HOX gene family in tumor progression and variation in clinical response. However, there has been limited systematic evaluation of the various contributions of each member of the HOX gene family in the pathways that drive the common phenotypic changes (or “hallmarks”) and that underlie the transformation of normal cells to cancer cells. In this review, we investigate the context of the engagement of HOX gene targets and their downstream pathways in the acquisition of competence of tumor cells to undergo malignant transformation and tumor progression. We also summarize published findings on the involvement of HOX genes in carcinogenesis and use bioinformatics methods to examine how their downstream targets and pathways are involved in each hallmark of the cancer phenotype.
Leveraging the Power of Context in Disability Policy Development, Implementation, and Evaluation: Multiple Applications to Enhance Personal Outcomes
Authors: Shogren Karrie A. , Luckasson Ruth , Schalock Robert L.
Published: May 2020

The article provides an overview and integration of work examining the multiple applications of context to enhancing personal outcomes, with a focus on how a clearer understanding of context can be leveraged in disability policy development, implementation, and evaluation. Specifically, a clear operational definition of context and an empirically based conceptual model of context are presented, followed by an approach to the analysis or measurement of context, and guidelines for applying an understanding of context to enhance personal outcomes through policy development, implementation, and evaluation. The article concludes with a discussion of five specific actions that can be taken to leverage the power of context.
Falling Through the Cracks: Stress and Coping in Migration and Resettlement Among Marginalized Hmong Refugee Families in the United States
Authors: Im Hyojin
Published: May 2020

The marginalization process of refugees during resettlement has rarely been explored empirically due to the challenges in identifying and accessing the population. To understand how stress and coping throughout the migration and resettlement processes can result in marginalization in refugees resettled in the United States, this study conducted in-depth individual interviews with 16 homeless Hmong refugee families. The findings revealed how cumulated adversities eroded coping resources and how impeded coping capacity fuels social isolation and marginalization. In addition, an enclosed family support system tends to limit types of available help and social interactions and thus frustrates the use of diversified coping strategies that are critical to healthy acculturation. This study underscores the importance of expanded resettlement services that promote both formal and informal social supports and enhance balanced social integration of the refugee community.
Qualitative Research and Its Importance in Adapting Interventions
Authors: Duggleby Wendy , Peacock Shelley , Ploeg Jenny , Swindle Jennifer , Kaewwilai Lalita , Lee HeunJung
Published: May 2020

Systematic approaches are essential when adapting interventions, so the adapted intervention is feasible, acceptable, and holds promise for positive outcomes in the new target population and/or setting. Qualitative research is critical to this process. The purpose of this article is to provide an example of how qualitative research was used to guide the adaptation a web-based intervention for family carers of persons with dementia residing in long-term care (LTC) and to discuss challenges associated with using qualitative methodologies in this regard. Four steps are outlined: (a) choosing an intervention to adapt, (b) validating the conceptual framework of the intervention, (c) revising the intervention, and (d) conducting a feasibility study. Challenges with respect to decontextualization and subjective reality are discussed, with suggestions provided on how to overcome them. The result of this process was a feasible and acceptable web-based intervention to support family carers of persons with dementia residing in LTC.
Relationship Between Entrepreneurship Education, Entrepreneurial Mindset, and Career Readiness in Secondary Students
Authors: Rodriguez Sophia , Lieber Hannah
Published: May 2020

Background: Career-focused education programs in the United States increasingly emphasize 21st century workplace readiness. These programs use project-based learning to develop a holistic, noncognitive skillset linked to an entrepreneurial mindset. Purpose: This study assesses the relationship between entrepreneurial mindset development and students in entrepreneurship education programs compared with other career-focused academies. Methodology/Approach: Using a quasi-experimental design, entrepreneurial mindset was measured in two matched groups of students from underserved communities at the beginning and end of the school year. Additional analyses were conducted to assess the impact of career-focused education on student outlook of career readiness. Findings/Conclusions: Students in entrepreneurship education showed an overall statistically significant increase in entrepreneurial mindset, specifically in communication and collaboration, opportunity recognition, and critical thinking and problem-solving. Moreover, there was a positive association between entrepreneurial mindset gains and perceptions of future career success. Implications: This study paves the way for more rigorous research on linkages between career-focused education and noncognitive skills and suggests that entrepreneurship education may be effective in developing noncognitive skills linked to career success.
Middle School Students’ Perceptions of the Lunchroom: Implications for Future Interventions
Authors: Askelson Natoshia , Ryan Grace , Brady Patrick , Meier Cristian L. , Delger Patti , Scheidel Carrie
Published: May 2020

The National School Lunch Program provides nutritious and inexpensive lunches, but low participation and food waste are challenges in many schools. Interventions aim to improve participation in the program, but little is known about how students’ perceptions affect their participation. This study explored how middle school students in a rural state perceive school food service staff, food served, and lunchroom atmosphere. An online survey was administered to middle school students at six schools participating in a larger lunchroom intervention. Mean perception scores were calculated for all measures. Multilevel logistic regression was used to examine the relationship between perceptions and consumption. Overall perceptions of staff, food, and atmosphere were positive, and students classified as school lunch eaters had more positive perceptions in all three areas than noneaters. Interventions to increase participation in school lunch programs and promote consumption of healthy food items should address multiple factors that contribute to school lunch participation.
Research on process parameter collaborative optimization of non-metal laser cutting based on carbon emission modeling and intuitionistic fuzzy sets
Authors: Bao Hong , Guo Sheng , Zhang Lei , Li Xinyu
Published: May 2020

The uncertainty of the optimization process should be taken into account in the energy and material consumption modeling, which is the requisite of the collaborative optimization of low-carbon laser processing parameters. First, it involves establishing the carbon emission boundary based on the carbon source and dividing the non-metallic laser process into scanning and cutting stages, and then analyzing the carbon emission of electric energy, materials, process, and waste recycling of the whole process; all kinds of quantitative models of carbon emission are established. Second, several target intervals are obtained by the intuitionistic fuzzy search algorithm. Combinational experiment with integers in interval is carried out to analyze energy consumption of each combination. Finally, after analyzing the energy consumption influencing factors by comparative test and discussing the cost and time, this article concludes that the carbon emission can be reduced in the process of non-metallic laser processing under the best condition of processing cost and time, and also verifies the proposed quantitative models and the way of analysis by case analysis.
Using Machine Learning to Aid in Data Classification: Classifying Occupation Compatibility with Highly Automated Vehicles
Authors: Kamaraj Amudha V. , Lee John D.
Published: May 2020

Data classification is central to human factors research, and manual data classification is tedious and error prone. Supervised learning enables analysts to train an algorithm by manually classifying a few cases and then have that algorithm classify many cases. However, algorithms often fail to leverage human insight. To address this, we augment supervised learning with unsupervised learning and data visualization. Unsupervised learning highlights potential classification errors, explains the underlying classification, and identifies additional cases that merit manual classification. We illustrate this using the Occupational Information Network database to classify occupations as having tasks that might be performed in an automated vehicle.
Anatomical Study of Minimally Invasive Lateral Release Techniques for Hallux Valgus Treatment
Authors: Dalmau-Pastor Miki , Malagelada Francesc , Cordier Guillaume , Del Vecchio Jorge Javier , Ghioldi Mauricio Esteban , Vega Jordi
Published: May 2020

Background:

Lateral release (LR) for the treatment of hallux valgus is a routinely performed technique, either by means of open or minimally invasive (MI) surgery. Despite this, there is no available evidence of the efficacy and safety of MI lateral release. Our aim was to study 2 popular techniques for MI LR in cadavers by subsequently dissecting the released anatomical structures.

Methods:

Twenty-two cadaveric feet were included in the study and allocated into 2 groups, 1 for each procedure: 1 group underwent a MI adductor tendon release (AR), and in the other group, an extensive percutaneous lateral release (EPLR) (adductor tendon, suspensory ligament, phalanx-sesamoid ligament, lateral head of flexor hallucis brevis, and deep transverse metatarsal ligament) was performed. Anatomical dissection was performed to identify neurovascular injuries and to verify the released structures.

Results:

Both techniques demonstrated to be effective in reproducing a MI LR. A satisfactory release of the adductor tendon was achieved equally in both techniques ( P = .85), being partial in most EPLR cases and full in the majority of AR cases. The EPLR was successful in releasing the intended additional structures ( P < .05). One case of inadvertent complete section of the flexor hallucis longus was identified in the percutaneous adductor tendon release group. No cases of dorsolateral nerve injury were seen with either of the techniques.

Conclusion:

Percutaneous lateral release was a reliable and accurate technique in this cadaveric model. The MI AR proved to be more effective in fully releasing the adductor tendon while the ER was intended and able to release a number of other structures.

Clinical Relevance:

MI LR is a safe procedure that could obviate the need for open surgery to achieve the same surgical goal. It can be associated to either open or MI osteotomies in the correction of hallux valgus.
Class-information–incorporated kernel entropy component analysis with application to bearing fault diagnosis
Authors: Zhou Hongdi , Zhong Fei , Shi Tielin , Lai Wuxing , Duan Jian , Zhang Yongxiang
Published: May 2020

Rolling bearings are present ubiquitously in industrial fields; timely fault diagnosis is of crucial significance in avoiding serious catastrophe. The extraction of ideal fault feature is a challenging task in vibration-based bearing fault detection. In this article, a novel method called class-information–incorporated kernel entropy component analysis is proposed for bearing fault diagnosis. The method is developed based on the Hebbian learning theory of neural network and the kernel entropy component analysis which attempts to compress the most Renyi quadratic entropy of input dataset after dimension reduction and presents a good performance for nonlinear feature extraction. Class-information–incorporated kernel entropy component analysis can take advantage of the label information of training samples to guide dimensional reduction and still follow the same simple mathematical formulation as kernel entropy component analysis. The high-dimensional feature dataset including time-domain, frequency-domain, and time–frequency domain characteristic parameters is first derived from the vibration signals. Then, the intrinsic geometric features are extracted by class-information–incorporated kernel entropy component analysis, and a classification strategy based on fusion information is applied to recognize different operating conditions of bearings. The experimental results demonstrated the feasibility and effectiveness of the proposed method.
The Issue of Endogeneity and Possible Solutions in Panel Data Analysis in The Hospitality Literature
Authors: Park Sungbeen , Song Sujin , Lee Seoki
Published: May 2020

This study discusses endogeneity and causality issues in analyzing panel data and presents possible suggestions to alleviate them. Establishing causality is of paramount interest for researchers, yet the hospitality literature has tended to employ econometric techniques that rely heavily on modeling assumptions for endogeneity problems. Accordingly, this article provides practical guidance for hospitality researchers in addressing endogeneity issues when analyzing panel data. Specifically, this article (a) discusses endogeneity issues in the use of panel data, (b) suggests possible remedies to mitigate endogeneity problems, (c) reviews how the existing hospitality literature has previously dealt with such problems, and (d) suggests how hospitality researchers can effectively address endogeneity issues with reference to an example of difference-in-differences methods using restaurant panel data.
Provocation defence for femicide in Turkey: The interplay of legal argumentation and societal norms
Authors: Muftuler-Bac Meltem , Muftuler Canan
Published: May 2020

Increasing numbers of women in Turkey are murdered by their relatives, spouses or significant others. The perpetrators plead provocation for their crimes, claiming their actions are provoked by women’s initial acts which they deem to violate societal norms. Pleading provocation enables more lenient sentences. This article investigates the interplay of the legal rules and societal norms on ‘proper’ female behaviour in femicide, based on data drawn from the Journal of Legal Proceedings, which publishes select rulings of the Court of Cassation – the Highest Court in the Turkish legal system – from 2004 to 2018. This article argues that there is a collision between cultural, societal norms and legal rulings in criminal law, and displays linkages between legal processes and social norms which perpetuate patriarchal structures. Accordingly, the article proposes that legal rulings on femicide reflect societal norms and traditional expectations on women’s roles in Turkish society through employing provocation defence. Consequently, law becomes complicit in femicide through provocation, and provocation could be seen as the legal system’s concession to patriarchy.
Sound reduction index prediction of double-layer gypsum panels through the transfer matrix method
Authors: Granzotto Nicola , Scrosati Chiara , Scamoni Fabio , Piana Edoardo A
Published: May 2020

Gypsum board walls are widely used in today’s buildings. A possible way to considerably increase the sound insulation performances of such lightweight walls is to apply double-layer gypsum panels screwed together. Being the boards separated by a thin air gap, there is no shift of the critical frequency from the single-layer case. Moreover, it is possible to obtain an improvement of the sound insulation performances provided by the additional mass given by the double layer. The thin air layer is, however, responsible for a loss of acoustic performance due to the cavity resonance effect in the frequency range between 800 and 1600 Hz. In this article, the increase in the acoustic insulation achieved through the use of coupled gypsum boards is studied and a modelling technique based on the transfer matrix method is used to simulate the acoustic behaviour of the resulting structure; in particular, the thin air layer between the coupled boards is modelled. The simulations are compared with laboratory measurements carried out according to the international standard series ISO 10140. The transfer matrix approach is found to be suitable to describe the problem, provided that a modified model for the air gap between the boards is applied.
“I’ll work out tomorrow”: The Procrastination in Exercise Scale
Authors: Kelly Scout M , Walton Hayley R
Published: May 2020

Exercise procrastination (i.e. the voluntary delay of intended exercise) represents a novel, reasoned route to self-regulatory failure in physical activity. This study sought to develop and evaluate a scale to measure exercise procrastination and assess its relationship with self-reported physical activity. Two surveys were administered to community samples ( n = 270, 279). In both samples, the Procrastination in Exercise Scale was positively correlated with general procrastination and predicted lower physical activity after controlling for intentions and general procrastination. Exercise procrastination appears to be a common phenomenon, and better understanding its role in physical activity may lead to novel intervention approaches.
Bending behavior of steel octagon-web beam
Authors: Chang Shan , Yang Ming , Tian Linjie , Yuan Pengfei
Published: May 2020

Due to the improvement of steel properties, many steel structures with attractive appearance emerge unceasingly. In this article, a new structure of steel octagon-web beam which has the similar appearance with honeycomb beam was presented. The mechanical characteristics of steel octagon-web beam under bending loads were analyzed theoretically. Based on the Vierendeel truss theory in deflection calculation of honeycomb beam, the deflection calculation method of steel octagon-web beam which was validated by finite element method was studied. Two parameters affecting deflection of steel octagon-web beam, such as opening type and expansion ratio, were analyzed. A scale model of steel octagon-web beam was manufactured in order to study bending behavior of the structure. The failure patterns of test specimen under four-point bending test are the buckling of deck and web. A nonlinear finite element model of test specimen whose results were compared with test was established by software ABAQUS 2017. The stresses of slabs under ultimate load have reached yield stress, which shows steel octagon-web beam has good flexural performance.
Differences in breastfeeding rate between mothers delivering by caesarean section and those delivering vaginally
Authors: Lagerberg Dagmar , Wallby Thomas , Magnusson Margaretha
Published: May 2020

Aim: The aim of the study was to analyse the impact of delivery on breastfeeding at 6 months, with special focus on caesarean section combined with established breastfeeding at 2 months. Methods: Delivery mode and breastfeeding at 2 and 6 months were studied in a database of 130,993 infants from two Swedish counties between 1990–2011. Results: The difference in breastfeeding rates at 6 months between children delivered by caesarean section and children delivered vaginally was smaller in a subpopulation of children with established breastfeeding at 2 months compared to all children. The impact of delivery method on breastfeeding at 6 months was independent of child gender, mother’s first child, maternal smoking and maternal education. Conclusions: Breastfeeding in mothers giving birth by caesarean section is more likely to continue until (at least) 6 months if established early (at 2 months). It may be worthwhile to promote breastfeeding for mothers who deliver by caesarean section.
Experience of violence and self-rated health: Do youths disclose their experiences when visiting a Youth Centre in Sweden
Authors: Petersson Carina , Swahnberg Katarina , Peterson Ulla , Oscarsson Marie
Published: May 2020

Background: Being exposed to violence is a global health problem, increasing the risk of suffering from ill health. The main aim of this study was to estimate the prevalence of emotional, physical and sexual violence victimisation and its association to self-rated health among youths. The second aim was to investigate whether the youths had disclosed to healthcare professionals at a Youth Centre or others about being exposed. Methods: The cross-sectional study includes data from a web survey of youths, aged 15–25 ( n=500), collected in Sweden. Descriptive statistics and univariate analyses were used for the analyses. Results: In all, emotional, physical or sexual violence during their lifetime was reported by 43.2% and 22.8% of youths during the last year. In total, 88% of the respondents assessed their self-rated health as good, very good or excellent. Those who had been exposed to emotional, physical or sexual violence during their lifetime reported statistically significant lower self-rated health (fair and poor) than those who were not victimised. When healthcare professionals at the Youth Centre asked youths about exposure during their lifetime, one-fifth disclosed having been exposed. Conclusions: Youths who reported any type of violence during their lifetime showed lower self-rated health compared to those who were not exposed. Youth Centres have an important role in identifying youths who are exposed to violence and/or self-report their health as low. Still, only a minority of youths who have been exposed to violence told health professionals at a Youth Centre about it when asked. It is necessary to further investigate how the issues can be best addressed.
Interpretive description in psychiatry: a research note
Authors: Ng Lillian Lywan
Published: May 2020

Clinician-researchers seeking answers to complex clinical dilemmas strive to translate research findings to their field of practice. This research note outlines application of a methodological approach of interpretive description to research in the discipline of psychiatry. It gives examples of conflicts that arise from the author’s dual role as a clinician-researcher and reflects on the utility of interpretive description in returning the analysis to the context of clinical practice. The research note concludes that interpretive description is a coherent methodological tool to formulate complex phenomena and apply findings in the field of mental health.
Curation as methodology
Authors: Persohn Lindsay
Published: May 2020

The term curation was once only utilized by museum professionals. Currently, the term seems to have been borrowed by aesthetically-minded persons looking to collect ideas or objects. Through a detailed account of one curatorial process, this article aims to convey the richness of context, the depth of connection, and the promotion of new ideas classically associated with curation. Drawing on these methods, the author begins to develop an outline of curation as a transferrable methodology, useful for exploration of aesthetic works as they related to sociocultural histories. As an exemplar collection of artworks, illustrations of Lewis Carroll’s Alice’s Adventures in Wonderland provide content to explore the depth and breadth of curation as a methodology.
The rat race and working time regulation
Authors: Jauch Malte
Published: May 2020

To what extent, if at all, should a just society adopt public policies that regulate and limit the amount of time people work? Attempts to answer this question face a dilemma: Either, we can adopt a laissez-faire view, according to which governments must refrain from imposing working time policies on the labour market. But this view generates a situation in which many citizens experience deep regret about the balance between work and leisure in their lives. Or, we can endorse an interventionist view that advocates government imposition of working time policies. However, such a view appears to be objectionably perfectionist insofar as it imposes on citizens a particular conception of the ideal balance between work and leisure. This article proposes a way out of this dilemma. It shows that the interventionist view can be defended on the anti-perfectionist grounds that this helps address a collective action problem in the labour market – the working time rat race. Employers often use working time as a proxy for their employees’ productivity and commitment. Those who work particularly long hours are often awarded benefits such as raises or promotions or are spared from dismissals. This makes it individually rational for each worker to work extra hours in an attempt to outcompete colleagues. However, if many workers pursue this strategy, it loses its effectiveness. Workers with preferences for more leisure have a claim to state intervention to remove the rat race when this doesn’t impose disproportionate harm on third parties.
Deep residual network framework for structural health monitoring
Authors: Wang Ruhua , Chencho  , An Senjian , Li Jun , Li Ling , Hao Hong , Liu Wanquan
Published: May 2020

Convolutional neural networks have been widely employed for structural health monitoring and damage identification. The convolutional neural network is currently considered as the state-of-the-art method for structural damage identification due to its capabilities of efficient and robust feature learning in a hierarchical manner. It is a tendency to develop a convolutional neural network with a deeper architecture to gain a better performance. However, when the depth of the network increases to a certain level, the performance will degrade due to the gradient vanishing issue. Residual neural networks can avoid the problem of vanishing gradients by utilizing skip connections, which allows the information flowing to the next layer through identity mappings. In this article, a deep residual network framework is proposed for structural health monitoring of civil engineering structures. This framework is composed of purely residual blocks which operate as feature extractors and a fully connected layer as a regressor. It learns the damage-related features from the vibration characteristics such as mode shapes and maps them into the damage index labels, for example, stiffness reductions of structures. To evaluate the efficacy and robustness of the proposed framework, an intensive evaluation is conducted with both numerical and experimental studies. The comparison between the proposed approach and the state-of-the-art models, including a sparse autoencoder neural network, a shallow convolutional neural network and a convolutional neural network with the same structure but without skip connections, is conducted. In the numerical studies, a 7-storey steel frame is investigated. Four scenarios with considering measurement noise and finite element modelling errors in the data sets are studied. The proposed framework consistently outperforms the state-of-the-art models in all the scenarios, especially for the most challenging scenario, which includes both measurement noise and uncertainties. Experimental studies on a prestressed concrete bridge in the laboratory are conducted. The proposed framework demonstrates consistent damage prediction results on this beam with the state-of-the-art models.
Multiple load path damage detection with optical fiber Bragg grating sensors
Authors: Grooteman Frank
Published: May 2020

In this article, a new damage indicator is presented that can detect a (partial) load path failure for a multiple load path structure, based on variable amplitude strain response measurements by fiber optic Bragg grating sensors. Many (aircraft) structures have multiple load paths where after a (partial) failure of a load path the remaining structure can carry the limit load without catastrophic failure or too severe impact on the operational characteristics of the whole structure, until the structure is repaired, replaced, or modified. The damage indicator is defined as a ratio of the strain response summation of the current strain time variation measured at fiber Bragg grating (FBG) sensors and a reference strain time variation measured at the same FBGs. For application in real structures with varying loads and environmental conditions, it should be insensitive for the load time variation as well as temperature. The FBG strain response due to a load variation can be easily computed by means of a finite element analyses. In this way, an optimal number, location and orientation of strain sensors can be derived for complex structures. A test was performed on a box-shaped structure representative of a typical aircraft structure to validate the damage indicator, showing that the damage indicator is able to detect a damaged load path at an early stage of failure with few sensors per load path. From finite element analyses, the damage size can even be determined from the damage indicator value for a known damage scenario, making it a level 3 structure health monitoring system.
US Public Perceptions of an Intelligence Quotient Test Score Gap Between Black Americans and White Americans
Authors: Zigerell LJ
Published: May 2020

Intelligence quotient (IQ) is a common measure of intelligence that associates with many important life outcomes. Research over several decades has indicated that the average IQ test score among Black Americans is lower than the average IQ test score among White Americans, but in weighted results from a national nonprobability survey, only about 41% of US adults indicated awareness of this IQ gap. Results from a follow-up convenience survey indicated that, in the aggregate, White participants’ rating of White Americans’ average IQ and average intelligence is higher than Blacks Americans’ average IQ test score and average intelligence and was not driven by White participants’ belief in a universal White intellectual superiority. These and other results could have implications regarding the US public’s perceptions about the reasons for Black/White inequality and implications for the use of intelligence stereotype scales as measures of racial prejudice.
Do More Professionalized Legislatures Discriminate Less? The Role of Staffers in Constituency Service
Authors: Landgrave Michelangelo , Weller Nicholas
Published: May 2020

Research suggests that organizational structure can influence the ability of actors to discriminate. In this research note, we examine whether the structure of state legislatures affects observed discrimination in correspondent audit studies. We find that increased legislative professionalization is associated with reduced discrimination against racial minorities. By analyzing thousands of emails collected in a prior study, we find that legislative professionalization is related to a higher likelihood that staffers respond to email contacts and staffers are less likely to discriminate against racial minorities across multiple measures of discrimination. Our findings emphasize the importance of substantively relevant heterogeneity in audit studies and identify a potential mitigator of discrimination—legislative professionalism. Our results also highlight the importance of staffers in representation and the legislative process.
From the Editors
Authors: Ray Rashawn , Rojas Fabio
Published: May 2020

Contexts editors Rashawn Ray and Fabio Rojas introduce the spring issue, which tells diverse stories of gender and sexuality.
Public Scholarship
Authors: Vargas Robert
Published: May 2020

Robert Vargas interviews Rebecca Sandefur about her work merging the fields of sociology and law.
Ethnographic Uncovering: Hidden Communities
Authors: Sheng Jeff T.
Published: May 2020

This photo essay uses documentary photography along with ethnographic observations, and in-depth interviews to better understand the experiences of transgender United States military service members.
Remembering Genocide in Cambodia
Authors: Wise Jamie
Published: May 2020

This photo essay takes the reader on a visual journey through two Cambodian memorial sites 40 years later.
Hope, Dignity, and Oral Health for Women in Recovery
Authors: Drentea Patricia , Copes Heith , Valles Jessica
Published: May 2020

A series of professional photographs and interviews with women in recovery showcase hope after addiction.
Thinking About a Career in a Think Tank?
Authors: Busette Camille M.
Published: May 2020

After a +E1:E27stint in academia, author Camille M. Busette highlights her life at The Brookings Institution, a policy think tank.
Modification of polyvinyl alcohol/microfibrillated-cellulose films by ethylene triethoxysilane
Authors: Bian Pei-wei , Sun Bin-qing , Huang Li-qiang
Published: May 2020

This study aimed to improve the strength and hydrophobic properties of polyvinyl alcohol/microfibrillated-cellulose composite films and thereby solve problems such as the poor water resistance of polyvinyl alcohol films and defects in the packaging. Polyvinyl alcohol/microfibrillated-cellulose composite films were prepared with the silane coupling agent KH151. The mechanical, optical, crystalline, and other properties of the composite films were tested. After the modification of the polyvinyl alcohol/microfibrillated-cellulose films, their strength and hydrophobic and barrier property were greatly improved. Moreover, their oxygen transmittance decreased by 85.9%, and the water contact angle of the film surface increased by 44%. The internal structure of a polyvinyl alcohol/microfibrillated-cellulose film is formed by KH151, which improves the strength and barrier properties of the film, forms an alkane-based layer on the film surface, and improves the hydrophobic property of the film. Thermogravimetric analysis shows that the thermal stability of composite materials has been greatly improved.
Hybrid knitted fabric for electromagnetic radiation shielding
Authors: Tunakova Veronika , Tunak Maros , Bajzik Vladimir , Ocheretna Larysa , Arabuli Svitlana , Kyzymchuk Olena , Vlasenko Viktoriia
Published: May 2020

Today we can’t imagine our life without electricity and technology, transport and television. In the information age, computers, the Internet, cell phones, and smartphones are helpers for everyday needs. However, our environment and comfortable living in it can be detrimental to our health. It is hard to realize the fact that such a global technical breakthrough has hit human health. Exposure to electromagnetic radiation could lead to changes in the structure of nerve cells and blood formulas, deformation of the circulatory system, pathology of the endocrine system, decreased immunity, and so on. Nowadays the development of innovative textiles with electromagnetic radiation shielding is a relevant topic that promotes the creation of a flexible protective screen for the human being and various electronic devices. Textiles themselves do not protect against electromagnetic radiation; however, the textiles can be successfully converted into protective material after changing the raw material composition, creating a new production process, or adapting technologies that can make them electrically conductive. Basic methods of textile producing such as weaving, knitting, non-weaving, or their combination can be used to make electromagnetic shielding fabric. In this study, the knitting on 8-gauge flat-bed machine has been chosen as main technology. The metal wire (stainless steel: 0.12 mm) is used separately or together with 10 × 2 tex cotton yarn. Two sets of samples with different interloopings are produced which differ by steel percentages and positioning in the structures. Electromagnetic shielding effectiveness of textile samples (dB) was measured according to ASTM 4935-10 on frequency range 30 MHz–1.5 GHz. It is concluded that the positioning of the metal components in the knitted structure is the main factor determining the shielding ability. The half Milano rib knitted structure demonstrates the highest shielding efficiency.
A critical appraisal of bypass surgery in moyamoya disease
Authors: Moussouttas Michael , Rybinnik Igor
Published: May 2020

Moyamoya disease (MMD) is a complex cerebrovascular disorder about which little is known. Conventionally, revascularization surgery is recommended for patients, despite an absence of conclusive data from adequate clinical trials. Underscoring the uncertainty that exists in treating MMD patients, investigators continue to present data comparing revascularization with conservative or medical management, most of which originates from East Asia where MMD is most prevalent. The purpose of this manuscript is to review contemporary large case series, randomized trials, and recent meta-analyses that compare surgical and medical treatments in adult patients with MMD, and to critically analyze the modern literature in the context of current practice standards. Data from the available literature is limited, but revascularization seems superior to conservative therapy in adult patients presenting with hemorrhage, and in preventing future hemorrhages. Conversely, evidence that surgery is superior to medical therapy is not convincing in adult patients presenting with cerebral ischemia, or for the prevention of future ischemic events. In contrast to East Asian populations, MMD in Europe and in the Americas is predominantly an ischemic disease that presents in adulthood. Adequate multinational trials are warranted.
Modern best practice in the management of benign prostatic hyperplasia in the elderly
Authors: Bortnick Eric , Brown Conner , Simma-Chiang Vannita , Kaplan Steven A.
Published: May 2020

Benign prostatic hyperplasia (BPH), with its associated lower urinary tract symptoms (LUTS), can be a debilitating disease in the elderly male. Transurethral resection of the prostate (TURP) remains the gold standard; however, many patients will choose to avoid surgery if possible. Medical therapy is an effective alternative, however, new studies are showing that there may be more side effects than previously realized in the elderly male. Newer, novel minimally invasive techniques, including UroLift® and Rezūm™, are gaining favor as alternative office-based procedural techniques that do not require general anesthesia and may better preserve ejaculatory function. Though promising, at this point, these techniques are not approved for all patients. With a range of medical, procedural, and surgical options for treatment of BPH with LUTS, it is important to have a discussion with your patient regarding the short- and long-term risks and benefits, as well as alternatives, before deciding on a treatment plan for your patient with BPH.
Factors influencing nesting success of the river lapwing, Vanellus duvaucelii (Lesson, 1826)
Authors: Mishra Himanshu , Kumar Vikas , Kumar Ashish
Published: May 2020

Nesting success is defined as the percentage of nests that have at least one chick that successfully fledges from them. In this regard, this study was conducted in the Gangetic plain of district Raebareli (Uttar Pradesh), India, to investigate nesting success, resolve factors affecting the probability of nest failure and identify the predominant nest predators of the river lapwing, Vanellus duvaucelii. The line transect method was adopted to count the nesting pairs, while nesting success was estimated by the Mayfield method. Results revealed that river lapwing nests were not homogeneously distributed at the study sites. The number of nesting pairs significantly diverged at various study sites in different years. Nesting success of river lapwings at all habitat types varied across the year of study from 67.9% in 2016, to 63.6% and 70.1% in 2017 and 2018, respectively. In all years, river lapwing nests on open, unvegetated river banks achieved significantly greater nesting success than those in crop fields. However, nest failure was mainly due to predation (55%) and farming activity (32%). Furthermore, trampling (6%) by domestic cattles such as cows and buffaloes, egg non-viability (4%), human disturbance (2%) and flooding (1%) were reported as other notable factors influencing nest failure. We also found reptiles, birds and mammals as predators of eggs in the study areas. The most common predators were crow, dog, fox and snake. There is little information regarding factors influencing nesting success of river lapwings particularly in India and therefore this study increases our knowledge of this globally near-threatened species. Developing greater understanding of the river lapwing could help us to formulate effective conservation measures for this species.
Overexpression of annexin A5 might guide the gemtuzumab ozogamicin treatment choice in patients with pediatric acute myeloid leukemia
Authors: Zhang Nan , Zhang Ying , Zhang Ping , Lou Shifeng , Chen Ying , Li Huan , Zeng Hanqing , Shen Yan , Deng Jianchuan
Published: May 2020

Background:

Acute myeloid leukemia (AML) is a common hematological malignancy. Gemtuzumab ozogamicin (GO), a humanized anti-CD33 antibody conjugated with the potent anti-tumor antibiotic calicheamicin, represents a promising targeted therapy for AML. Annexin A5 (ANXA5) is a proposed marker for the clinical prognosis of AML to guide treatment choice.

Methods:

In total, 253 patients with pediatric AML were enrolled and divided into two treatment groups: conventional chemotherapy alone and conventional chemotherapy in combination with GO. Univariate, multivariate, and Kaplan–Meier survival analyses were conducted to assess risk factors and clinical outcomes, and to estimate hazard ratios (HRs) and their 95% confidence interval. The level of statistical significance was set at p < 0.05.

Results:

In the GO treatment group, high ANXA5 expression was considered a favorable prognostic factor for overall survival (OS) and event-free survival (EFS). Multivariate analysis showed that high ANXA5 expression was an independent favorable factor for OS (HR = 0.629, p = 0.084) and EFS (HR = 0.544, p = 0.024) distinct from the curative effect of GO treatment. When all patients were again divided into two groups, this time based on the median expression of ANXA5, patients undergoing chemotherapy combined with GO had significantly better OS ( p = 0.0012) and EFS ( p = 0.0003) in the ANXA5 high-expression group. Gene set enrichment analysis identified a relevant series of pathways associated with glutathione metabolism, leukocyte transendothelial migration, and hematopoietic cell lineage.

Conclusion:

The expression level of ANXA5 can help optimize the treatment regimen for individual patients, and patients with overexpression of ANXA5 may circumvent poor outcomes from chemotherapy combined with GO.