bluuebunny/crossref_metadata_2025 huggingface dataset:
Comparison of underwater and conventional endoscopic mucosal resection for removing sessile colorectal polyps: a propensity-score matched cohort study
Authors: Chien Hsu-Chih , Uedo Noriya , Hsieh Ping-Hsin
Published: October 2019

Background and study aims Endoscopic mucosal resection (EMR) is a standard method for removing sessile colorectal polyps ≥ 10 mm. Recently, underwater EMR (UEMR) has been introduced as a potential alternative. However, the effectiveness and safety of UEMR compared with conventional EMR is un clear.

Patients and methods In this 1:1 propensity score (PS) matched retrospective cohort study, we compared the en bloc resection rates, procedure time, intraprocedural and delayed bleeding rates, and incidence of muscle layer injury. We also performed subgroup analyses by sizes of polyps (< 20 mm and ≥ 20 mm).

Results Among 350 polyps in 315 patients from August 2012 to November 2017, we identified 121 PS-matched pairs. Mean polyp size was 16.8 mm. With similar en bloc resection rates (EMR: 82.6 % vs. UEMR: 87.6 %, rate difference: 5.0, 95 % confidence interval [95 % CI]: – 4 to 13.9 %), UEMR demonstrated a shorter resection time (10.8 min vs. 8.6 min, difference: – 2.2 min, 95 % CI: – 4.1 to – 0.3 min) and a lower intraprocedural bleeding rate (15.7 % vs. 5.8 %, rate difference: – 9.9 %, 95 % CI: – 17.6 to – 2.2 %). Incidence of delayed bleeding and muscle layer injury were low in both groups. For polyps < 20 mm, effectiveness and safety outcomes were similar in both groups. For polyps ≥ 20 mm (42 PS-matched pairs), the UEMR group has a comparable en bloc resection rate with shorter procedure time and superior safety outcomes

Conclusions UEMR achieved an en bloc resection rate comparable to conventional EMR with less intraprocedural bleeding and a shorter procedure time.
Die WHO-Strategie Aktiv Altern aus kommunaler Sicht – Eine
qualitative Befragung im Landkreis Konstanz
Authors: Schulz Anja , Lederle Mareike , Bitzer Eva Maria
Published: October 2019

Ziel der Studie Die Strategie Aktiv Altern der
Weltgesundheitsorganisation (WHO) umfasst die Bereiche Gesundheit, Teilhabe am
sozialen Leben sowie Sicherheit im Alter. Als politischer Aktionsrahmen
unterstützt die Strategie die zukünftige Alterspolitik der
Kommunen. Wie kommunale Akteurinnen und Akteure selbst die WHO-Strategie
beurteilen, ist Gegenstand dieser Befragung.

Methodik Wir haben 5 Expertinnen und Experten aus dem Landkreis Konstanz
mittels systematisierenden, leitfadengestützten Interviews befragt.
Grundlage des Leitfadens bildete eine selbst konzipierte Indikatorenliste, die
die 102 Handlungsempfehlungen strukturiert bündelt. Die Bekanntheit der
WHO-Strategie und eine gegebenenfalls kurze Einführung in die 3 Bereiche
bildeten den Intervieweinstieg, anschließend erfolgte der Abgleich
kommunaler Aktivitäten mit der Indikatorenliste, die Erhebung des
kommunalen Handlungsbedarfes sowie die Identifikation bislang
unberücksichtigter Aspekte. Im Sinne einer Triangulation führten
wir eine quantitative Befragung in weiteren Landkreisen durch. Die Auswertung
erfolgte mittels qualitativer Inhaltsanalyse nach Gläser und Laudel mit
dem Extraktionsprogramm MIA.

Ergebnisse Keine der interviewten Personen kannte die WHO-Strategie Aktiv
Altern. Nach einer kurzen Erläuterung zur WHO-Strategie und
Indikatorenliste, stuften die Interviewpersonen die Strategie jedoch als
praktikabel ein. Als gut umsetzbar schätzten sie v. a.
Handlungsempfehlungen aus den Teilbereichen Teilhabe in der Gesellschaft
(z. B. Schaffung von Seniorenbeiräten), sowie aus dem Bereich
Sicherheit im öffentlichen Raum und Verkehr (z. B.
Schutzmaßnahmen für ältere
Fußgänger/innen) ein. In einzelnen Bereichen, wie der
medizinischen Versorgung und der formellen Pflege, vermissten die
Interviewpersonen Indikatoren, sodass wir die Neuaufnahme zusätzlicher
Handlungsempfehlungen empfehlen.

Schlussfolgerung Die Bekanntheit der WHO-Strategie Aktiv Altern sollte in
Richtung der Kommunen, der eigentlichen Zielgruppe, verbessert werden. Aktiv
Altern ist, unter Berücksichtigung des hier festgestellten
Weiterentwicklungsbedarfes, eine praktikable Orientierungshilfe und bietet
mehrere Chancen für die Alterspolitik im kommunalen Feld.
Implants for Vertebral Body Replacement – Which Systems are Available and Have Become Established
Authors: Kasapovic Adnan , Bornemann Rahel , Pflugmacher Robert , Rommelspacher Yorck
Published: October 2019

Since the first vertebral body replacement operations over 50 years ago until now, there were developed numerous methods and implants. Vertebral body replacement after corpectomy nowadays is a standard procedure in spinal surgery. At the beginning mainly bone grafts were used. Due to continuous development, PMMA and titanium implants were developed. Nowadays various expandable and non-expandable implants are available. Numerous implants can still be justified. The question arises which methods and systems are on the market and which ones have proven themselves? This article describes and compares the advantages and disadvantages of each implant type.
Synthesis and Photophysical Properties of 3-Amino-4-arylpyridin-2(1Н)-ones
Authors: Shatsauskas Anton L. , Abramov Anton A. , Chernenko Sergey A. , Kostyuchenko Anastasia S. , Fisyuk Alexander S.
Published: October 2019

A method has been developed for the preparation of oxazolo-[5,4-b]pyridin-2(1H)-ones based on the Hoffmann reaction of 2-oxo-1,2-dihydropyridine-3-carboxamides. Hydrolysis of oxazolo[5,4-b]pyridin-2(1H)-ones and the Hoffmann reaction of 2-oxo-1,2-dihydropyridine-3-carboxamides yielded 3-aminopyridin-2(1H)-ones, including 4-aryl substituted derivatives in the series, for which effective phosphors with a quantum yield of up to 0.78 were detected. Photophysical properties of 3-aminopyridin-2(1H)-ones were studied by UV and luminescence spectroscopy methods, and the relationship between their structure and photophysical properties was revealed.
A Facile Approach to Catalyst-Free Cyanation and Azidation of ­Organic Compounds and a One-Pot Preparation of 5-Substituted 1H-Tetrazoles by Using a Dimethyl Sulfoxide–Nitric Acid Combination
Authors: Nasseri Mohammad Ali , Alavi Seyyedeh Ameneh , Mahmoudi Boshra , Kazemnejadi Milad
Published: October 2019

In this study, cyanations or azidations of imines were performed by using hydroxy(dimethyl)-λ4-sulfanecarbonitrile or azido(dimethyl)-λ4-sulfanol, respectively, prepared in situ by treatment of potassium cyanide or sodium azide with a dimethyl sulfoxide–nitric acid combination. Furthermore, a one-pot preparation of 5-substituted 1H-tetrazole derivatives was carried out by using this reagent combination in the presence of an aldehyde, hydroxylamine hydrochloride, and sodium azide under mild conditions.
Minimally Invasive Surgery for Pediatric Adrenal Masses—Report on Four Cases
Authors: ElHaddad Ahmed , Castellani Christoph , Sorantin Erich , Benesch Martin , Kampelmühler Eva , Singer Georg , Till Holger
Published: October 2019

The dignity of adrenal masses in children varies from benign lesions like adenoma and ganglioneuroma to malignant tumors like adrenocortical carcinoma and neuroblastoma. Any surgical approach, especially minimally invasive surgery (MIS), requires careful risk stratification based on oncological and technical criteria. Herein, we present four patients who underwent MIS for adrenal masses. Laboratory testing differentiated between simple cysts and adenoma, but could not identify a child with adrenocortical tumor preoperatively. Analysis of image-defined risk factors excluded vascular encasement in all cases. All patients underwent laparoscopic adrenalectomy without complications. Histopathology revealed simple cyst, ganglioneuroblastoma, adenoma, and potentially malignant adrenocortical tumor in one patient/case each. All specimen showed clear margins and no recurrence was noted at a mean follow-up of 18 months.
Amyand's Hernia in a Neonate Presenting with Inguinoscrotal Erythema: A Difficult Diagnosis
Authors: Mohamed Ahmed , Fagelnor Anas
Published: October 2019

The presence of the vermiform appendix, whether inflamed or not, inside a hernial sac is known as Amyand's hernia. Due to nonspecific signs, preoperative diagnosis is not common and requires a high index of suspicion along with awareness of this rare entity. It is more commonly mistaken for a strangulated or incarcerated inguinal hernia. Most cases of reported Amyand's hernia with appendicitis were in pre-term babies, infants, and post-menopausal women. We present a similar case in a 19-day-old, full-term baby presenting with inguinoscrotal edema, erythema, and without a palpable inguinoscrotal mass.
Iatrogenic Compartment Syndrome Secondary to Burn Dressing in a 2-Year-Old Child
Authors: Delgado-Miguel Carlos , Muñoz-Serrano Antonio Jesus , Miguel-Ferrero Miriam , Rodríguez Karla Estefanía , Velayos María , Triana Paloma , Diaz Mercedes , López-Gutiérrez Juan Carlos
Published: October 2019

We report a severe case of compartment syndrome due to a compressive burn dressing. An otherwise healthy 2-year-old girl presented at her local health center with a superficial partial-thickness thermal burn on the dorsum of the mid phalanx of the second finger of her right hand. A compressive dressing was applied solely to the affected finger. Forty-eight hours afterward, the patient presented in the emergency room with severe pain of the finger. After removal of the dressing, a circular constrictive eschar was observed at the base of the finger, secondary to ischemia due to the compressive dressing. Emergent lateral escharotomies were performed, with immediate recovery of distal perfusion. One week afterward, the patient underwent surgical debridement of the burn on the dorsum of her finger and escharectomy of the ischemic eschar at the base. The lesions were covered with partial-thickness skin grafts. This case shows that acute compartment syndrome can lead to severe sequelae, such as the loss of an extremity or body segment. We must take utmost care in all our actions to avoid any (negligent) act that could lead to severe or permanent damage to our patients.
Microwave Ablation in Primary Lung Malignancies
Authors: Moussa Amgad M. , Ziv Etay , Solomon Stephen B. , Camacho Juan C.
Published: October 2019

Lung cancer is the leading cause of cancer-related mortality worldwide. Eighty-five percent of cases correspond to non-small cell lung cancer (NSCLC) and pivotal nonsurgical options for early-stage disease include percutaneous ablation and stereotactic body radiation therapy (SBRT). Microwave Ablation (MWA) is a locoregional treatment option that has many advantages over radiofrequency ablation and has been able to overcome the limitations of this technique in the treatment of early-stage NSCLC. In this review article, we highlight the current evidence supporting the use of MWA in patients with early-stage NSCLC and discuss the technical considerations of the procedure, including optimal patient selection and planning strategies, as well as the potential complications and reported outcomes. Finally, we mention future trends involving ablation in NSCLC, including its role in combination with SBRT in central tumors, management of post-SBRT local recurrence, and its potential as an adjuvant treatment option for patients with resistance to systemic therapy or in combination with checkpoint inhibitors.
Well-posedness results for a generalized Klein-Gordon-Schrödinger system
Authors: Pecher Hartmut
Published: October 2019

We consider the Klein-Gordon-Schrödinger system i∂tψ + Δψ = ϕ2ψ − ϕψ, (□ + 1)ϕ = −2|ψ|2ϕ + |ψ|2 with additional cubic terms and Cauchy data ψ(0)=ψ0∈Hs(Rn),ϕ(0)=ϕ0∈Hk(Rn),and (∂tϕ)(0)=ϕ1∈Hk−1(Rn) in space dimensions n = 2 and n = 3. We prove the local existence, uniqueness, and continuous dependence on the data in Bourgain-Klainerman-Machedon spaces for low regularity data, e.g., for s=−18 and k=38+ϵ in the case n = 2 and s = 0 and for k=12+ϵ in the case n = 3. Global well-posedness in energy space is also obtained as a special case. Moreover, we show the “unconditional” uniqueness in the space ψ ∈ C0([0, T], Hs), ϕ∈C0([0,T],Hs+12)∩C1([0,T],Hs−12), if s>322 for n = 2 and s>12 for n = 3.
Observations of biomolecular dynamics using improved spectroscopic technique
Authors: Bandari Anashe
Published: October 2019

A new time-resolved spectroscopic approach allows for real-time imaging of biomolecular systems.
Science of Communicating Science
Authors: Cormick Craig
Published: October 2019

Are you wishing you knew how to better communicate science, without having to read several hundred academic papers and books on the topic? Luckily Dr Craig Cormick has done this for you!
This highly readable and entertaining book distils best practice research on science communication into accessible chapters, supported by case studies and examples. With practical advice on everything from messages and metaphors to metrics and ethics, you will learn what the public think about science and why, and how to shape scientific research into a story that will influence beliefs, behaviours and policies.
Pseudouridinylation of mRNA coding sequences alters translation
Authors: Eyler Daniel E. , Franco Monika K. , Batool Zahra , Wu Monica Z. , Dubuke Michelle L. , Dobosz-Bartoszek Malgorzata , Jones Joshua D. , Polikanov Yury S. , Roy Bijoyita , Koutmou Kristin S.
Published: October 2019

Chemical modifications of RNAs have long been established as key modulators of nonprotein-coding RNA structure and function in cells. There is a growing appreciation that messenger RNA (mRNA) sequences responsible for directing protein synthesis can also be posttranscriptionally modified. The enzymatic incorporation of mRNA modifications has many potential outcomes, including changing mRNA stability, protein recruitment, and translation. We tested how one of the most common modifications present in mRNA coding regions, pseudouridine (Ψ), impacts protein synthesis using a fully reconstituted bacterial translation system and human cells. Our work reveals that replacing a single uridine nucleotide with Ψ in an mRNA codon impedes amino acid addition and EF-Tu GTPase activation. A crystal structure of the
Thermus thermophilus
70S ribosome with a tRNA
Phe
bound to a ΨUU codon in the A site supports these findings. We also find that the presence of Ψ can promote the low-level synthesis of multiple peptide products from a single mRNA sequence in the reconstituted translation system as well as human cells, and increases the rate of near-cognate Val-tRNA
Val
reacting on a ΨUU codon. The vast majority of Ψ moieties in mRNAs are found in coding regions, and our study suggests that one consequence of the ribosome encountering Ψ can be to modestly alter both translation speed and mRNA decoding.
Onset of phase diffusion in high kinetic inductance granular aluminum micro-SQUIDs
Authors: Friedrich Felix , Winkel Patrick , Borisov Kiril , Seeger Hannes , Sürgers Christoph , Pop Ioan M , Wernsdorfer Wolfgang
Published: October 2019

Superconducting granular aluminum is attracting increasing interest due to its high kinetic inductance and low dissipation, favoring its use in kinetic inductance particle detectors, superconducting resonators or quantum bits. We perform switching current measurements on DC-SQUIDs, obtained by introducing two identical geometric constrictions in granular aluminum rings of various normal-state resistivities in the range from ρ
n = 250–5550 μΩ cm. The relative high kinetic inductance of the SQUID loop, in the range of tens of nH, leads to a suppression of the modulation in the measured switching current versus magnetic flux, accompanied by a distortion towards a triangular shape. We observe a change in the temperature dependence of the switching current histograms with increasing normal-state film resistivity. This behavior suggests the onset of a diffusive motion of the superconducting phase across the constrictions in the two-dimensional washboard potential of the SQUIDs, which could be caused by a change of the local electromagnetic environment of films with increasing normal-state resistivities.
Non-Abelian Majorana fermions in topological s-wave Fermi superfluids
Authors: Toikka L A
Published: October 2019

By solving the Bogoliubov–de Gennes equations analytically, we derive the fermionic zero-modes satisfying the Majorana property that exist in vortices of a two-dimensional s-wave Fermi superfluid with spin–orbit coupling and Zeeman spin-splitting. The Majorana zero-mode becomes normalisable and exponentially localised to the vicinity of the vortex core when the superfluid is topologically non-trivial. We calculate the energy splitting due to Majorana hybridisation and identify that the s-wave Majorana vortices obey non-Abelian statistics.
Blended learning with schoology in mathematics: Student’s activity and their outcome
Authors: Wijayanti R T , Chrisnawati H E , Fitriana L
Published: October 2019

The aim of this research is to determine: (1) the design of learning media based on Blended Learning Schoology in the Mathematics subject of mathematics logic material; (2) describe the validity of the product; (3) describe the practicality of the product; (4) describe the product’s effectiveness in enhancing student’s activity and their outcome. The development procedures employed were Four-D model which consisted of four phases: define, design, develop, and disseminate. In develop phase, the assessment had been conducted by two experts there were media expert and material expert to assess validity of media both in construct and content aspects. The results showed that the validities by the media expert and material expert were “very good” and “good” category. The learning media developed is practical to be use. The achievement percentage of the learning media’s practicality was 81.02 % which is appropriate to the achievement criteria. The implementation was done to 36 students of vocational school. The results from classroom implementation revealed the effectiveness of the product in enhancing student’s activity and their outcome. Moreover, 77.78% of the students are active in using the product and there were significant differences in learning outcome between Blended Learning based on Schoology and Direct Instruction.
The effectiveness of project-based learning on students’ communication skills in science
Authors: Putri S U , Hidayat S
Published: October 2019

This study aims at analyzing the effectiveness of project-based learning on elementary school students’ communication skills. This study involved 45 5th grade students who were divided into experimental groups (n=24) and control groups (n=21). Both classes were given a pre-test to identify students’ communication skills before learning. The experimental group were given instruction by using project-based learning while the control groups using cooperative learning. At the end of the learning process, the two groups were given post-test. The research instrument used a communication skills test developed in accordance with the water cycle science materials. Data were analyze using n-gain and non-parametric test (mann whitney). Based on the results of the study, it can be identified that there is an increasing number of most of the communication skills indicators except for the drawing the water cycle process and how to save water indicators. The implication of this research is that project-based learning can be an alternative to build the 21st century skills for elementary students in science subject.
Development of Ikigai instructional method to cultivate computational thinking of millennial generations
Authors: Hikmawan R , Sari D P , Majid N A , Ridwan T , Nuriyah W , Aprilia L , Diani D
Published: October 2019

Digitalization in industrial revolution 4.0 era has many impacts towards all aspects of life. Massive technology advancement shifts industrial demands in Indonesia from quantitative to qualitative demands. These qualitative demands can be interpreted that today’s industry workforce not only need technique competencies but also must have good Computational Thinking (CT) which is the pillar of collaboration, communication, creativity, and problem-solving skills. This issue did not balance with the enhancement of cognitive skills of Indonesians, especially youth or millennial generation. Millennial generation required to overcome multilevel challenges to improve thinking skills particularly on individual level. The low level of intrinsic motivation in using computational thinking to solve its problem became one of millennial culture characteristics. One of the solutions is cultivate student’s intrinsic motivation to use CT by utilize Ikigai concept on teaching and learning activities from early grade. The Ikigai role as motivation template has been endure for millennia and proven, if used properly, to be most important factor that help eastern culture people achieve self-actualization. This study aims to develop instructional design that include Ikigai concept to support the achievement of intellectual competencies. Product development is done by Research and Development (R&D) Method with Akker procedure scheme. Product expected to improve students CT in accordance to standard needed in industrial 4.0 era. At this point, we currently at Empirical Testing phase. As expected, we got good response from teacher for product’s ease of use and provide clear assessment of students CT Skills. Student that can be described as skilled programmer often have poor communication or collaboration skills with societies. However, when the students have clear life-goal, those lack of social skills are gradually improved. Otherwise, student with good social skills but has poor technique (coding), become more motivated to pursue computing knowledge.
Blended and face-to-face learning on lecturing in elementary school teacher education
Authors: Setiadi P M , Ganda N
Published: October 2019

In this study, a blended learning model was designed for elementary school teacher educations in Universitas Pendidikan Indonesia Kampus Tasikmalaya. Students learned both from internet by using YouTube platform and face-to-face course. YouTube and online learning system that usually used in Universitas Pendidikan Indonesia was chosen for learning platform which can facilitate learning through texts, tests, assignments, and videos that made by lecturer itself. This research aims to determine the effects of face-to-face and blended learning model on the result and the student’s attitudes, opinions and perceptions on blended learning. This study used a combination design of both qualitative and quantitative methods. There were two different groups in this study, face-to-face group and blended learning group. The face-to-face learning group and the blended learning group consisted of 40 and 40 students. The face-to-face group conducted face-to-face lectures as usual for 16 meetings. Meanwhile, the blended learning group conducted lectures in an integrated model both face-to-face as well as online lectures through YouTube platform. The results showed that the blended learning group was more effective than the face-to-face group. The usability of face-to-face learning and blended learning in higher education is addressed in recommendations for future research and practice.
Exploring the integrating potentials of role playing with YouTube in building student’s self confidence
Authors: Lestari T , Mulyana E H , Nurzaman I , Gandana G , Apriyaningsih E
Published: October 2019

Self Confidence become a fundamental requirement for an increase in an individual’s career, of course, this applies to student’s role-playing effective technique to increase self-confidence, but it is still limited to integrate with social media. Though the survey in 2018 claimed 85% of young adults like to access information about academic and non-academic from platform YouTube. Finding these opportunities, researchers explored the technique of role playing and integrate social media to build self-confidence YouTube students. This study was conducted during 8 meetings of the 40 students at a university in Indonesia in one of the courses. To measure the success of the treatments used Award observation assessment sheet and post-test to determine changes in the level of self-confidence of students. Before given treatment do pre-test and is known to many as 19 people or 47.5% of the students still have low self-confidence. After administering treatment increased significantly by 52.5% from the pre-test. there was an increase in all aspects of self-confidence, that self-love is increased to 94%, self-understanding 95%, clear purpose in life 83%, positive thinking 84%, communication 85% specificity 81%, grooming 86%, and control feelings of 92% to an average of student self-confidence increased to 87.5%.
Didactical design of mathematics teaching based on gobak sodor traditional games in primary school
Authors: Nur’aeni E , Muharram M R W , Sriwianti S
Published: October 2019

The research is motivated by the results of the preliminary study analysis that there are students’ learning obstacle in the perimeter of rectangles material that makes students’ understanding were low. Therefore, it is necessary to plan a didactical design to overcome the learning obstacle experienced by students. Didactic design based on traditional games is planned as an effort to preserve local wisdom. The formulation of the research problem is how to implement didactical design on the perimeter of rectangles material based on gobak sodor traditional games in primary school. The purpose of the study was to describe the implementation of didactical design on the perimeter of rectangles material based on gobak sodor traditional games in primary school. The method used is DDR (Didactical Design Research) with 3 stages of procedure, namely: prospective analysis, metapedadidactic, and retrospective analysis. Research subjects were fourth grade elementary school students. The study was conducted in two elementary schools located in Indonesia. The results of the study are learning design in the form of teaching materials in the form of student activity sheet and lesson plan which are developed as alternative learning design that can be used in mathematics learning on perimeter of rectangles material to overcome learning obstacles experienced by students.
Mathematical Literacy Training (MLT) through Virtual based Mathematics Kits (VMK) for best mathematics performance
Authors: Pradana L N , Sholikhah O H
Published: October 2019

Mathematical literacy bridges mathematics with real-world contexts. This study aims to enhance mathematics performance by MLT through VMK. The study involves grade 4 elementary school students in 4 classes. The MLT has been held 5 weeks (90 minutes each week) as extracurricular activities in 4 classes. The MLT focus on students’ ability to reason, convey ideas effectively and solve math problems. Various math problems represented by VMK (digital-based media). The VMK used for stimulating students’ thinking. The enhancement seen by comparing student’ mathematics performance before and after MLT activities. The MLT gives an enhancement for student’ mathematics performance and mathematical literacy. The use of VMK can stimulate students’ ability to reason and solve math problems. In convey ideas effectively, student still needs help in making an idea. This study shows the VMK in MLT activities enhance student’ mathematics performance.
Guided experiments book based on SETS (Science, Environment, Technology, and Society) to empower science literacy for elementary school students
Authors: Prasasti P A T , Listiani I
Published: October 2019

Guided Experiment Book based on SETS used a guidebook for students in carrying out scientific work. The SETS-based Guided Experiment Book assists students in developing the skills they possess and familiar with the scientific process for acquiring concepts. Primary school students who have science literacy was expected to apply concepts obtained in school with natural phenomena that occurred in everyday life. The purpose of the research to empower Science Literacy through a SETS-based Guided Experiment Book. The study involved 50 grade V students divided into 2 groups covering 25 students in the intervention group and 25 students in the control group. Activities were conducted over a period of 3 months outside of school activities. The empowerment of science literacy seen from the increased results before and after the SETS-based Guided Experiment Book implementation. SETS-based Guided Experiment Book helped students to empower science literacy through the stages of invitation, exploration, problem-solving, concept application and concluding. These stages were activities that familiarize students to learn concept through the processed and apply environmentally sound technology. Based on the results of research and hypothesis testing can conclude that Guided Experiment Book based on SETS can empower the literacy of science of elementary school students.
How should elementary school students construct their knowledge in mathematics based on Bruner’s theory?
Authors: Zuliana E , Retnowati E , Widjajanti D B
Published: October 2019

Elementary school teachers should know how their students construct a very abstract concept of mathematical knowledge. Elementary school children are still at the concrete operational stage, while the characteristic of mathematics itself is abstract. This study is descriptive qualitative research. Data collected by observation and documentation. The study describes how Elementary school students should build their mathematical knowledge based on Bruner’s Theory (enactive, iconic and symbolic stage) and how mathematics learning process provided by Elementary school teachers.
The impact of implementing of INSTAD model toward student’s mathematics learning outcome for 5th grade elementary school students
Authors: Syamsuddin A
Published: October 2019

This research paper aims to identify the process and results of the implementation of the Inquiry-Student Team Achievement Division (INSTAD) learning model, find out students’ learning outcomes and identify the effect of the implementation of the INSTAD model on students’ learning outcomes in mathematics learning. This type of research is a quasi-experimental study with nonequivalent control group design. This study involved 60 elementary students. The instrument used is a test of learning outcomes which consists of 10 items. Students’ learning outcomes were analyzed using the t-test formula through of SPSS 20.0 for Windows. The results of descriptive analysis and hypothesis testing revealed differences significantly in learning outcomes between the experimental class and control class, it was indicated by the results of using the t-test on students’ learning outcomes obtained that H0 was rejected because the value of t-count > t-table (4.340> 1.99547) and p value (0.000 <0.05 = α). Based on the value of post-test learning outcomes in the experimental class is an average score of 78.3 while for the average score of the control class is 71.0 and the average N-gain of the experimental class is 0.49, while the N-gain of the control class is 0.22. It can be concluded that the point of N-gain of experimental class is greater than point of the control class. It can be said that the use of the INSTAD learning model has a positive effect on improving students’ mathematics learning outcomes.
Building children’s learning motivation through positive reinforcement in science and math classroom
Authors: Sumiati T , Septiani N , Widodo S , Caturiasari J
Published: October 2019

This research is based on how the teacher builds a learning motivation of 5-6 years old children. In the classroom, sometimes children’s motivation decrease, there is one way to build learning motivation on children, it is called positive reinforcement. This research aims to determine the learning motivation of 5-6 years old children by giving positive reinforcement in the math and science subject. The method of this research was qualitative descriptive with the sample was six students of B2 class around 5-6 years old at the kindergarten in the Purwakarta, Indonesia. The instrument of the research was an observation sheet of students and teachers’ activities and the interview. The result of the data analysis on teacher’s observation was a positive reinforcement from the teacher by giving children praise; nonverbal reinforcement was delivered by smiling at children, showing a cheerful face and thumbs. Moreover, the result of observation also showed that children more like if the teacher gives praise in words forming for what they are doing, so the good behavior will continuous appear.
Designing lesson plan of Science, Technology, Engineering, Mathematics (STEM) education in science learning
Authors: Winangun M M , Fauziah D
Published: October 2019

Science learning has developed into the idea of connecting scientific science with the needs of the world of future work including; scientists, technologists, engineers, and mathematicians. STEM learning in science subjects can prepare future workers through increasing STEM literacy. However, STEM literacy of students is still low. There have been many studies that promote STEM learning in the classroom, but limited to proving STEM education in science learning with certain models can improve STEM literacy. No research has been found on how to plan STEM education in science learning in practical for use in the classroom. Therefore, this study intends to provide a contextual description of how STEM learning is planned primarily for science subjects in the classroom. This study is useful for teachers as an initial reference for planning STEM education in science learning in classroom.
Theater extracurricular program based on M-Learning strategy in primary school level
Authors: Hidayat S , Suryana Y , Indihadi D
Published: October 2019

Mobile learning (m-learning) challenges the traditional approach of teaching and learning in primary school. In recent years, using m-learning has attracted increasing attention esspecially in theater art extracurricular programme. Extracurricular Programme is a model of learning in cultivating student’s creativity. There are three steps of theater programme trough m-learning strategy by planning, implementation and evaluation. Exposing qualitative approach, this research reveals the phenomenon of student creativity cultivation by means of theater extracurricular activity in primary school level. The data were revealed through three stages: planning, implementation and evaluation. This study finds that the fusion of the m-learning in in theater art extracurricular programme has enhanced teaching and learning experiences among students in primary school level.
Brainstorming in scientific writing in elementary school
Authors: Nugraha D , Indihadi D
Published: October 2019

Brainstorming as a strategy in scientific writing in elementary school writing instrusction was succesfully proven by this study. There is a relationship between brainstorming as a strategy to writing instruction and students scientific writing ability. Improved learning out comes of students’ expository writing as scientific writing in a staight forward, logical, sytematic and functional manner of items, or events in chronological was achieved after brainstorming is implemented to grade five elementary school. Based on the research and development approach, the data obtained in the trail 1 (13 males and 15 famales participants) was 13,50 and trail 2 was 14,07. This means that brainstorming as a strategy has the opportunity for language teachers to teach students writing skills. The instruction of brainstorming strategy had a positive effect on students scientific writing improvement and also make them more active.
Developing of TaPe Game App for interactive learning based on DGBL model for students in elementary school
Authors: Fauzi A , Yudha B , Harli E , Kusmanto T H , Rangka I B , Sapriyanti S
Published: October 2019

Gaming is not only a fun activity in competing, but also an activity that can be used as a learning tool. Gaming technologies can be utilized to create a fun and interactive learning environment through game based learning. This research on developing a TaPe App, as a learning media, can be used by teachers and students in learning activities or at ice breaking time. TaPe App is built with 3 key elements: challenge, response and feedback. TaPe App is developed by using Digital Game Based Learning (DGBL) model with the stages consisting of analysis, design phase, development phase, quality assurance, implementation and evaluation. TaPe App is built with attention to the principle of a good learning media that is easy to see (visible), interesting, simple, useful, accurate, legitimate, and structured which known as the principle of VISUALS. This study shows that the TaPe App can run in many computer environment and the functionality running well based on black box testing. TaPe App has many features of a game that includes three difficulty levels, a random questionnaire in every step of game, and has a user friendly interface. The next focus on this research is to implement this app on android platform.
Cardiorespiratory training models based on waste utilization for elementary school students
Authors: Widiastuti W , Susilawati D , Pradityana K , Solahuddin S
Published: October 2019

The aim of this research and development was to produce a product in the form of a waste utilization model book for elementary school students so that it can provide guidance for physical education teachers in providing fun, creative and meaningful learning. This study used the Borg and Gall Research and Development (RnD) method which consisted of ten steps, the subjects in this study were students of Tanjungsari Elementary School and Blanakan Elementary School with 68 subjects. The design of the experimental study was based on one group pretest posttest design. The stages of this study were: preliminary research, experts’ judgment, large group test, small group test and effectiveness test. The effectiveness test in this research was using Harvard Step Test. The results of the model effectiveness test showed that there was an increase in the use of waste for physical fitness, the pretest result was 33.57 and posttest was 36.63. From the data above, it can be concluded that there was an improvement after treatment. The results of the effectiveness test showed that the results of t-score = 7.818, df = 62 and p-value = 0.00 <0.05, which means that there were significant differences in the physical fitness of primary school students before and after the treatment. It can be concluded that the waste utilization model for physical fitness of elementary school students is effective and able to improve physical fitness.
Information technology in primary school management
Authors: Sunaengsih C , Djuanda D , Isrokatun I , Syahid A A , Nuraeni A
Published: October 2019

Difficult acceptance of scientific and technological advancement is a common fact. Therefore, it is important to recognize school’s capability to build conducive environment for the implementation of new technology as soon as possible. Such recognition will facilitate information technology implementation in school management. This study employs descriptive research method using quantitative approach to uncover the actual description of information technology acceptance factors in the management of primary schools in Indonesia. Total subjects of this study is 173 primary school teachers, consisted of 38 male teachers and 135 female teachers. The findings show that the school community will accept information technology more willingly if the technology in question is up to date.
Using Android-based applications to support elementary school teachers to teach songs
Authors: Julia J , Supriyadi T , Iswara P D
Published: October 2019

Elementary school teachers in Indonesia have an obligation to teach various subjects, including teaching songs in the field of music. However, the majority of teachers lack the strategies to teach songs to the students, even many teachers do not dare to teach songs to the students. This study aims to increase the ability and courage of elementary school teachers to teach songs to the students. The research method is carried out in the following stages: (1) exploring Android-based applications for vocal learning; (2) choosing and studying the application for vocal learning; (3) learn songs via MP3 audio; (4) simulations for teaching vocals; and (5) evaluation of teaching vocals. Research subjects were teachers in Sumedang district who volunteered to attend music teacher training. Subjects numbered 45 people, a combination of female and male teachers from 26 sub-districts in Sumedang district, West Java province, Indonesia. The results showed that all teachers who attended the training were brave to teach songs through the use of MP3 audio and Scorebooks (equipped with the number of notated and solmization). It can be concluded, that the ability and bravery of the teachers teach songs increased through the provision of digital technologies and comprehensive teaching materials.
The stability of Pianika’s tempo in elementary school students
Authors: Utama A R , Julia J
Published: October 2019

One of the problems that arise in elementary school students is difficult to stabilize the tempo track corresponds to a steady beat, particularly in terms of playing the melody, so between Pianika with tempo is not aligned. Thus the existence of the application is expected to help train students to maintain the stability of the tempo when playing Pianika. The research procedure used in this study, namely: (1) download the toc-toc metronome application; (2) introduces application (3); using the application; and (4) evaluation of the learning process. The research subjects were fifth-grade students in elementary school with aged 10-11 years. The results showed that in stabilizing tempo student’s enough difficulty, but after using touch technology in learning, skills students can rise in stabilizing the tempo. It can be concluded, that with the application of toc-toc metronome simplify and enhance the skills students learn music, especially stabilizing the tempo in playing Pianika.
Using Pazia Angklung application in understanding song scores
Authors: Maulana A C , Julia J
Published: October 2019

Playing a music score, students have difficulty reading scales and understanding the score of a song. These difficulties must be overcome with the Pazia Angklung application. This research aims to improve students’ understanding in music notation. The study was conducted by following the procedure as follows: (1) searching and downloading application related to musical instruments to play song scores; (2) learns the application to understand the scale; (3) play music scores using the application; and (4) evaluating. The study was conducted in fourth-grade elementary students with an age range of 9-11 years. Total subjects were 26 students. The results showed that learning the parts in the song by using the Pazia Angklung application, can improve the effectiveness of learning. It can be concluded, that the skills of the students in the song section are increasing well, so are some aspects of the attitude.
The impact of the internet technology on teacher competence and student morality
Authors: Aeni A N , Hanifah N , Sunaengsih C
Published: October 2019

This study is inspired by the importance of detection the impact of internet technology on teacher competence and student morality, for the reason that in digital era life cannot be separated from the development of information technology. Now information technology cannot be separated from the internet technology. The internet technology can be used for educational purposes. This research was a qualitative descriptive study, with the instrument used was a questionnaire to 1,038 respondents. Consisting of teachers, high school students, college students, parents and the general public. The results of the study were: 1) almost half of the respondents stated that the student morality improved, while the majority stated the opposite, 2) most respondents stated that teacher competence was getting better, with indicators: professional, increased education level, creative, innovative, good in teaching, achieving, able to compete. It can be concluded that internet technology has an impact on teacher competence and student morale with data: teacher competence is well, while the student morality is medium.
Science literacy on science technology engineering and math (STEM) learning in elementary schools
Authors: Rochman C , Nasudin D , Rokayah R
Published: October 2019

Science in Engineering Technology and Mathematics (STEM) strongly supports the current era of educational development. The component that strongly supports the success of STEM mastery is student literacy towards science concepts. This study aims to reveal the profile of scientific literacy skills that support the achievement of STEM. The method used is qualitative participatory. The participants of this study were 26 grade 6 elementary school students in Bandung. The instrument used is a test of understanding of several technology products around the environment where students live. Triangulation through interviews was conducted to explore students’ answers. The results showed that: (1) there were variations in students’ scientific literacy skills on technology products, (2) the ability of science concepts related to STEM abilities, and (3) the still strong role of learning resources derived from books, the internet and other social media. This study concludes that science skills and STEM literacy of elementary school students in Bandung are still low. This research recommends the need for literacy programs that are united with an integrated teaching and learning process.
Promoting engineering for fourth-grade students through STEM learning
Authors: Sulistia S , Lidinillah D A M , Nugraha A , Karlimah K
Published: October 2019

Learning that uses conventional methods does not facilitate students in the engineering process and is deficient in technology. Learning that is dominated by conventional methods is not effective in achieving the demands of 21st century skills. The purpose of this study is to develop STEM learning products (Science, Technology, Engineering, and Mathematics) in Elementary Schools so that learning is more meaningful. Research that has been conducted using Educational Design Research methods by using the stages of research according to McKenney & Reeves consisting of Analysis and Exploration, Design and Construction, and Evaluation and Reflection. Data collection techniques were carried out with interview techniques, documentation studies, observations and questionnaires. After two trials of learning design in elementary school consisting of 50 students, it was stated that this learning design was valid, practical and usable. Even do, students and teachers responded positively to the implementation of STEM learning designs. This STEM learning design can be used as an alternative by the teacher in carrying out the learning process involving the process of engineering and technology so that it can meet the demands of skills in the 21st century.