(IPER) Indonesian Physics Education Research
p-ISSN: 2746-9034 (Printed Media) ; e-ISSN: 2774-5066 (Online Media) IPER (Indonesian Physics Education Research) (e-Journal) is a journal managed by the Physics Education Study Program, Under Physics Department of Universitas Negeri Medan. This journal contains the results of research on physics education, which is published two times a year. The IPER Journal is an integrated forum for communicating scientific progress in the field of physics education. This journal contains the results of thoughts, innovations and new findings in physics education, as well as significant research results related to improving the quality of physics learning, including Physics teaching materials and their development Utilization and development of learning approaches, models and strategies Utilization and development of physics learning media Development of evaluation and assessment instruments in physics education _________________________________________________________________________________________________ Journal Title Indonesian Physics Education Research Initials IPER Language English Frequency 2 issues per year (June, December) DOI prefix 10.24114 by Print ISSN 2746-9034 Online ISSN 2774-5066 Editor-in-chief Dr. Wawan Bunawan, M.Pd., M.Si. Publisher Physics Education Study Program, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan in collaboration with Physical Society of Indonesia (PSI) _________________________________________________________________________________________________ slot slot gacor
THE DEVELOPMENT OF MOBILE LEARNING MEDIA BASED ON ADOBE FLASH CS6 IN STATIC FLUID MATERIAL
This research was motivated by the lack of interesting learning media innovations available for physics lessons, therefore a questionnaire was distributed and it was found that static fluid material is one of materials that is difficult for students to understand. This research aims to find out how to develop, analyze the feasibility and level of effectiveness of the mobile learning media based on adobe flash cs6 in static fluid material. The research was conducted using Research and Development with ADDIE (Analysis, Design, Development, Implementation and Evaluation) models. Respondents in this research were class XI IPA 6 students at SMAN 2 Medan. The product testing consists of small group test and large group test. Small group trials involved 10 students, and large group trials 30 students. The instrument used in this research were expert validation questionnaires, teacher validation questionnaires and determine the effectiveness of learning media by giving posttest question to students. At the validation stage of the result of the media expert assessment, the avergate percentage is 93,84% with a very decent category and result of material expert assessment get an average percentage 98% with a decent category. The result of the assessment of the physics teacher response 91,53%. The result of the learning media effectiveness test given to small and large groups get an average percentage of 70% and 86,66%. This shows that the media developed is very feasible and effective as learning media in learning activities.
Copyright (c) 2024 IPER (Indonesian Physics Education Research)
IMPROVING PHYSICS LEARNING OUTCOMES WITH COOPERATIVE LEARNING NUMBERED HEAD TOGETHER TYPE ON OPTICAL DEVICES OF CLASS XI STUDENTS AT SMAN 1 SECANGGANG
This study aims to improve students' physics learning outcomes by applying NHT learning on optical instrument material. The population in this study were students of class XI of SMAN 1 Secanggang in the academic year 2023/2024. The samples in this study were XI MIPA 2 class as a control class totaling 30 students who were given conventional learning, and XI MIPA 3 class as an experimental class totaling 30 students who were given NHT learning. The sampling method used was quasi-experiment and used pretest-posttest control group design. Data on physics learning outcomes were collected using a test instrument in the form of 10 questions. The improvement of students' physics learning outcomes is seen by comparing the average value of hypothesis tests that are normally distributed and homogeneous in both classes. Based on the results of the study, it is concluded that the application of NHT learning on optical devices material can significantly improve student learning outcomes.
DEVELOPMENT OF A HOT (HIGHER ORDER THINKING) TEST INSTRUMENT ON WORK AND ENERGY AT SMA NEGERI 1 SIBOLANGIT T.A 2022/2023
This study aims to develop a test instrument based on HOT (Higher Order Thinking) that meets the aspects of validity, reliability, level of difficulty, and discriminatory power. This type of research is development research with a 4-D model by Thiagarajan, including the define, design, develop, and disseminate stages. Small group tests were conducted on 10 students and large group tests were conducted on 30 students in class XI MIA 1 at SMA Negeri 1 Sibolangit. The results showed that the HOT (Higher Order Thinking) based test instrument on work and energy material consisted of 10 questions that were suitable for use, with expert validation test results obtained 80% valid items, small-scale test results obtained 83% valid items, test reliability of 0.8683 in the high correlation category, the difficulty level of the test in the medium category is 100%, the differentiability of the test in the good category is 80% and 20% is sufficient. The results of the large-scale test obtained test reliability of 0.79 with a high correlation category, the level of difficulty of the test were 70% moderate, 20% easy, and 10% difficult, and the distinguishing power of the test was 60% sufficient and 40% good.
THE DEVELOPMENT OF E-LKPD BASED ON HIGH-ORDER THINKING SKILLS (HOTS) WITH 4D MODEL
This research aims to know the level of validation and level of practicality of the development of e-LKPD based on HOTS with a 4D model of Doppler effect material from a material expert, media expert, teacher, and student. The research type is a 4D model but this research is limited to 3D steps that are defined, designed, and develop. The research population was students in SMA Negeri 3 Pematangsiantar Class XI Science. The sample research is taken by cluster sampling. In this research, the validators have an instrument with a questionnaire of development e-LKPD to know the level of validation. The instrument of this study was a questionnaire from a material expert, media expert, and teacher. The analysis results that development gets level validation and practicality are very worthy with 92,5% from the material expert, very worthy with 97,5% from the media expert, and very worthy with 95,2% from a teacher. Based on the data, the conclusion is that the development of e-LKPD based on HOTS with a 4D model on the Doppler effect is very worthy of validation and practicality.
THE EFFECT OF RQA (READING, QUESTIONING, ANSEWRING) LEARNING STRATEGY ASSISTED BY GOOGLE CLASSROOM ON STUDENTS™ COGNITIVE LEARNING OUTCOMES ON STATIC FLUIDS TOPIC
This study aims to: 1) determine students™ cognitive learning outcomes using RQA learning strategy assisted by Google Classroom on Static Fluids topic, 2) determine students™ cognitive learning outcomes using expository learning strategy assisted by Google Classroom, and 3) to prove the effect of RQA learning strategy assisted by Google Classroom on students™ cognitive learning outcomes on static fluids topic for class XI SMA N 1 Percut Sei Tuan. The type of research is a quasi-experimental research design with Pretest-Postest Group Design. The population of this research is all students of class XI SMA N 1 Percut Sei Tuan which consists of 6 classes. The sample of this research was taken by using simple random sampling technique, namely class XI MIPA 5 as the experimental class and XI MIPA 6 as the control class, each consisting of 23 students and 20 students. The instrument used is achievemnet test, namely a multiple choice test consisting of 10 items. The results of data analysis showed the average pretest value of the experimental class was 54.35 and the control class was 47.50. After being given treatment, the average posttest value for the experimental class was 75.05 and the control class was 53.00. By using the one sample t-test obtained the value of Sig. (2-tailed) < 0.05 (0.00 < 0.05) so Ha is accepted and H0 is rejected. So it can be concluded that there is a significant effect due to the use of RQA learning strategies assisted by Google Classroom on students' cognitive learning outcomes of XI MIPA on static fluids topic.
THE EFFECT OF LEARNING MODELS DISCOVERY HELPFUL LAB VIRTUAL AGAINST THE ABILITY TO UNDERSTAND PHYSICS CONCEPTS
This study aims to (1) determine student activity during the learning process using the Virtual Lab-assisted Discovery learning model on the subject matter of work and energy, (2) determine the effect of the Virtual Lab-assisted Discovery learning model on students' ability to understand physics concepts on the subject matter of effort and energy in class X semester II SMA Sw. Dharma Bhakti Siborongborong Academic Year 2022/2023. This type of research is quasi-experimental. The population in this study were all students of class X SMA Sw. Dharma Bhakti Siborongborong in even semester T.A. 2022/2023. The sample for this research was taken from two classes, namely class X IPA 1 (as the experimental class) and class X IPA 2 (as the control class), each of which consisted of 22 students and 20 students who were determined by the Cluster Random Sampling technique. Then given a different treatment, the experimental class using the Discovery Learning model assisted by the Virtual Lab and the control class with conventional learning. The data used in this study used a description test, the number of questions was 21 items which had been validated by the validator. From the research results, it was obtained that the average pretest value for the experimental class was 45.54 and for the control class was 43.81. After learning was completed, the posttest was given with the average result for the experimental class was 78.14 and the control class was 72.62. The data analysis technique used is the t test after the data is normally distributed and homogeneous. Based on data analysis and hypothesis testing, it was found that there was a significant influence of the Virtual Lab-assisted Discovery learning model on students' ability to understand physics concepts on the subject matter of work and energy.
THE EFFECTIVENESS OF ONLINE LEARNING PROCESS IN THE COVID-19 PANDEMIC ON ELASTICITY TOPIC
This research aims to: 1) knowing the student's response to online learning process on elasticity topic during pandemic COVID-19, 2) knowing the teachers response to online learning process on elasticity topic during pandemic COVID-19, and 3) knowing the effectiveness of online learning process on elasticity topic carried out during the COVID-19 pandemic. This type of research is quantitative using a survey method. The instrument used was a student questionnaire and a teacher questionnaire in the form of a Likert scale. The results showed that the responses of both students and teachers to online learning on elasticity topic based on the criteria, i.e., online learning planning, processes, and evaluations, on average could be categorized as good, the effectiveness of online learning on elasticity topic can be categorized as effective, level of student mastery and the level of learning completeness can be categorized as good and complete, but there are still many difficulties during the implementation process.
THE EFFECT OF USING ANDROID-BASED LEARNING MEDIA IN INCREASING MOTIVATION AND PHYSICS LEARNING OUTCOMES
The aims of this research study are to analyze change in learning outcomes and student motivation in class X science high school students using android-based learning media and evaluation android-based learning media effect on the physics learning outcomes for class X science high school students. The methods will be using is Quasi-experiment research design with Pretest-Posttest Control Group. The Population and sample of this research is student class X MIA SMA Al-Ulum Terpadu. Questionnaire and intrument test will be used as instrument. The academic performance of the students in this research is limited to increasing motivation and enhancing students learning outcomes in order to assess the product's usefulness. The result of data analysis were the average pretest value for control class was 60.19 and for experimental class was 73.81, after given treatment, the post-test mean value for control class was 88,75 and for experimental class was 90.16. Based on the results, the student's N-Gain, motivation and MANOVA test, the results of the hypothesis obtained are Sig. > 0.05 (0.114, 0.344 > 0.05) which means H0 accepted and H1 is rejected. As a result, utilizing android-based learning media did not have a substantial impact on improving student learning outcomes and motivation.
Copyright (c) 2023 IPER (Indonesian Physics Education Research)
DEVELOPMENT OF PBL-BASED PHYSICS LEARNING E-MODULE ON MECHANICAL WAVE MATERIAL IN CLASS XI
This research aims to (1) produce a physics module on the topic of Mechanical Waves thatmeets the criteria of validity, practicality, and effectiveness for implementation in the physics learning process, (2) determine the validity level of the physics learning e-module based on Problem Based Learning on the topic of Mechanical Waves for 11th-grade students at SMA Negeri 11 Medan, (3) determine the practicality level of the physics learning e-module based on Problem Based Learning on the topic of Mechanical Waves for 11th-grade students at SMA Negeri 11 Medan, (4) determine the effectiveness level of the physics learning e-module based on Problem Based Learning on the topic of Mechanical Waves for 11th-grade students at SMA Negeri 11 Medan. The subjects of this research were 32 students of class XI MIA 3 at SMA Negeri 11 Medan. This study employed the Research and Development (R&D) method using the ADDIE model (Analysis, Design, Development, Implementation and Evaluation). The instruments used in this research consisted of expert validation questionnaires, media expert validation questionnaires, questionnaires on student responses to the physics learning module based on Problem Based Learning on the topic of Mechanical Waves for 11th-grade students at SMA, and a test instrument. The data analysis technique used in this research was descriptive analysis. The results of this research are as follows: (1) a physics module on the topic of Mechanical Waves based on Problem Based Learning has been developed and validated by two experts with excellent validity, (2) the practicality level of the physics module on the topic of Mechanical Waves based on Problem Based Learning that has been developed is highly practical, (3) the effectiveness level of the physics module on the topic of Mechanical Waves based on Problem Based Learning that has been developed is categorized as moderate.
THE EFFECT OF PROBLEM BASED LEARNING MODEL ASSISTED BY ANIMATED VIDEOS ON STUDENT LEARNING OUTCOMES IN THE SUBJECT MATTER OF WORK AND ENERGY FOR CLASS X SMA NEGERI 11 MEDAN T.P. 2022/2023
This study aims to determine the effect of problem-based learning model assisted by animated videos on student learning outcomes in the subject matter of work and energy. This type of research is quasi-experimental with a two-group pretest-posttest design. The research population was all students of class X MIPA SMA Negeri 11 Medan T.P. 2022/2023 which consists of 7 classes. The sampling were taken by purposive sampling, the classes taken were class X MIPA 4 as the experimental class and class X MIPA 1 as the control class. The instrument used was a multiple-choice test of learning outcomes in the form of 20 questions and student activity observation sheets. The results showed that the average pretest scores for the experimental class and the control class were 36.83 and 33.83, respectively. The results of testing the hypothesis obtained tcount < ttable, namely 1.4191 <2.002 at the significance level α = 0.05 and dk = 58, otherwise h0 is accepted or both classes have the same initial abilities. After implementation, the average post-test score obtained for the experimental class with problem-based learning was 76.8 and the control class with conventional learning was 56. The results of testing the hypothesis obtained tcount (6.35) > ttable (1.671) at the significance level α = 0.05, it was stated that ha was accepted meaning there was a difference in student learning outcomes after being given the implementation of problem-based learning model assisted by animated videos on the subject matter of work and energy in class X SMA Negeri 11 Medan.
THE EFFECT OF SEVIMA EDLINK'S E-LEARNING ASSISTED GUIDED INQUIRY MODEL ON STUDENT LEARNING OUTCOMES IN SOUND WAVES MATERIAL IN CLASS XI SMA MASEHI GBKP BERASTAGI T.P 2022/2023
This study aims to determine the effect of Sevima Edlink's e-learning-assisted guided inquiry model on high school students™ physics learning outcomes in sound wave material. This research is a type of quasi-experimental research with a two-group pretest-posttest design. The population in this study were all XI MIPA classes at Masehi High School, GBKP Berastagi T.P 2022/2023 and the samples in this study were class XI MIPA 2 (experimental class) and XI MIPA 1 (control class) which were taken by cluster random sampling. The instrument used was a multiple-choice test with 15 questions. The results showed that the average pretest and posttest scores in the experimental class were 36.23 and 80.89. While in the control class were 34.86 and 75.63. Data analysis was carried out by t-test with a significant level of α = 0.05, it was found that tcalculated < ttable = (2.286 > 1.669) then H0 was rejected and Ha was accepted, which means that there is a significant influence of the guided inquiry model assisted by the e-learning sevima edlink on learning outcomes students in class XI SMA Swasta Massehi GBKP Berastagi on sound waves material.
IMPROVING PHYSICS LEARNING OUTCOMES WITH DIFFERENTIATE LEARNING ON VIBRATION AND WAVES OF CLASS VIII STUDENTS AT MTS AL-WASHLIYAH GEDUNG JOHOR MEDAN
This study aims to improve students' physics learning outcomes by applying differentiation learning to vibration and wave material. The population in this study were class VIII students of MTs Al-Washliyah Gedung Johor, Medan, for the 2022/2023 academic year. The sample in this study was class VIII-A as the control class totaling 40 students who were given conventional learning, and class VIII-B as the experimental class totaling 39 students who were given differentiated learning. The sampling method used was quasi-experimental and used a pretest-posttest control group design. Data on physics learning outcomes were collected using observation instruments and knowledge tests in the form of 10 essay questions. The increase in students' physics learning outcomes was seen by comparing the average hypothesis test scores customarily distributed and homogeneous in both classes. Based on the outcomes, the conclusion stated that the application of differentiated learning on vibration and wave material could significantly improve student learning outcomes.
PHYSICS E-MODULE BASED ON SCIENCE, TECHNOLOGY, ENGINEERING, AND MATHEMATICS TO IMPROVE LEARNING OUTCOMES OF HIGH SCHOOL STUDENTS AT SMA N 1 DELI TUA
This development research aims to produce a Science, Technology, Engineering, and Mathematics (STEM)-based e-module to determine the feasibility, practicality, and effectiveness of a STEM-based physics e-module on the topic of work and energy for 10th-grade students. The research design used in this study was research and development (R&D) using the ADDIE model to develop the e-module on the topic of work and energy based on STEM. The population and sample of this study were 10th-grade students at SMAN 1 Deli Tua, and the sample consisted of 10th-grade students in the MIA 3 class at SMAN 1 Deli Tua. Based on the data analysis, the results of expert validation yielded a material expert validation score of 88.16% with a category of very feasible, and a media expert validation score of 90.7% with a category of very feasible. The results of the practicality test on a small scale showed that the ease aspect obtained a percentage of 91.3%, the attractiveness aspect obtained a percentage of 91.8%, and the usefulness aspect obtained a percentage of 90.2%. The results of the large-scale trial showed that the e-module obtained a highly practical category, reaching 92.6%. The ease aspect obtained a percentage of 93.2%, the attractiveness aspect obtained a percentage of 94%, and the usefulness aspect obtained a percentage of 90%. Both small and large-scale tests yielded a highly practical category. The effectiveness test showed that the average pre-test score obtained by students was 37.66, and the average post-test score was 89.6%. Based on the N-gain test, it was found that the average N-gain score of students was 0.84 or 83.94%, which is interpreted as having high effectiveness. Therefore, the product developed in this study is considered feasible, practical, and effective in supporting students' self-directed learning process on the topic of work and energy and can improve students' learning outcomes
DEVELOPMENT OF HOTS-BASED TEST INSTRUMENTS TO MEASURE STUDENTS' CRITICAL THINKING SKILLS MAJOR MATERIALS AND UNIT
This study aims to develop a HOTS-based test instrument in measuring students' critical thinking skills on the material of quantities and units at SMAN 2 Rambah Hilir which has met the criteria for testing the instrument's feasibility including content validity, item validity, reliability testing, level of difficulty, discriminating power, and student response test. This research is a research development or Research and Development (RnD) using the ADDIE (Analysis, Design, Development, Implementation, and Evaluation) model. This research was conducted at SMA Negeri 2 Rambah Hilir with the research subjects of class X MIPA SMA Negeri 2 Rambah Hilir. Based on the data obtained from content validity with the Lawshe technique, 10 questions were obtained that could be used. Meanwhile , from testing the validity of the items , there are 8 valid questions and 2 invalid questions . In the reliability test obtained a value of 0.543390 with moderate correlation criteria. For the level of difficulty, scores ranged from 0.297 to 0.70 with the criteria that 1 item was said to be easy, 1 item was said to be difficult, and 8 items were said to be moderate . While different power derive a value of -1 , 8 - 2.5 with a category 2 a matter of saying ugly and the two problems said to be good at all. Meanwhile, to test students' response was obtained by 78 , 1 % in both categories. The conclusion from the overall test results is that the HOTS-based test instrument is feasible to use to measure critical thinking skills. Keywords : Development of Test Instruments, Critical Thinking Skills, Quantities and Units
ANALYSIS OF STUDENT DIFFICULTIES IN SOLVE QUESTIONS PROBLEM SOLVING ABILITY BASED ON DYNAMIC FLUID MATERIALS IN SMA/MA MEDAN CITY
This research aims to determine the level of students' problem solving abilities and to determine the difficulties experienced by students in solving problems based on problem solving abilities in dynamic fluid material. This type of research is qualitative research. The data sampling technique in this research uses a purposive sampling technique. The subjects in this research were class The results obtained show that SMA Negeri 8 Medan, MAN 1 Medan, SMA Private Dwiwarna, and Private SMA Islam Azizi have a good level of problem solving ability according to Heller at the problem focusing stage. the stage of describing the problem was categorized as sufficient, the stage of preparing a plan was categorized as sufficient, the stage of implementing the plan was categorized as inadequate, and the evaluating stage was categorized as insufficient. As for the difficulties experienced by students in solving problems based on problem-solving abilities in dynamic fluid material, namely Public High School 8 got 47.9%, MAN 1 Medan school got 45.9%, Dwiwarna Private High School got 42.0%, and Azizi Islamic Private High School got 37.8%.
ANALYSIS OF THE FEASIBILITY AND PRACTICABILITY OF E-MODULE BASED ON GUIDED INQUIRY INTEGRATED WITH VIRTUAL LABORATORY ON MOMENTUM AND IMPULSE MATERIAL
This study aims to analyze the feasibility and practicality of an electronic module on momentum and impulse material based on guided inquiry and integrated with virtual laboratory. This type of research is Research and Development (R&D) with the Analyze, Design, Develop, Implement and Evaluation (ADDIE) development method. The instruments used are in the form of assessment sheets by experts and teacher and student response questionnaires. This research was conducted at SMA Swasta Budi Agung Medan on class X students totaling 40 students. The validation results show that the module is very valid/very feasible with the average result of 4.28 by material expert, 4.61 by media expert and 4.44 by educational practitioner. In terms of feasibility, the results of student response questionnaires show that the module is in very good/very practical category with the average percentage 89.56% in small group and 91.90% in large group. Based on the result obtained, this module is suitable for used in the learning process or used independently by students.
DEVELOPMENT OF INSTRUMENTS FOR ASSESSING CRITICAL THINKING SKILLS OF HIGH SCHOOL STUDENTS IN SOUND WAVE MATERIAL
This study aims to obtain the innovation of sound wave material assessment instruments, and obtain instruments of assessment of critical thinking skills that meet valid and reliable criteria. This type of research is ADDIE. Product development procedures through the analysis research stage to implementation. At the analysis stage, the preliminary stage includes analysis of the types of instruments found in the school. Design procedures, namely the stage of compiling questions to form questions, at the development stage is the stage of formulating the type of instrument, validation to experts, limited trials, large-scale trials and product implementation. The results of this study are the types of assessment instruments developed are essay test analysis, problem solving tests that are oriented towards students' critical thinking skills applied in the SMA 2 Percut Sei Tuan high school. Instruments are declared valid and reliable. The instrument can measure the average student learning outcomes, measuring the proportion of student completeness.
DEVELOPMENT OF STUDENT WORKSHEETS (LKPD) BASED ON A SCIENTIFIC APPROACH ASSISTED BY AMRITA OLABS VIRTUAL LABORATORY ON ELASTICITY MATERIAL AT SMAN 1 BILAH HULU
This development research aims to produce LKPD based on a scientific approach assisted by Amrita Olabs' virtual laboratory on elasticity material that is suitable for use in physics learning. This type of research is Research and Development (R & D) using Thiagarajan's 4D model which is limited to the development stage (Develop). The subjects in this study were material experts, media experts, teachers in the field of physics studies, and students of grade XI MIA 2 SMA Negeri 1 Bilah Hulu totaling 30 students. The instruments used in this study consisted of feasibility test questionnaires of material experts, and media experts, observation sheets, pretest, and posttest question instruments, and questionnaires of the responses of teachers in the field of study and students to LKPD based on a scientific approach assisted by Amrita Olabs' virtual laboratory. The results showed that LKPD based on a scientific approach assisted by the Amrita Olabs virtual laboratory developed was included in the category of very feasible to be used in the physics learning process based on the results of validation tests of material experts (92.85%) and media experts (93.18%). Teacher response to LKPD developed (98.21%) and student response (97.22%). Based on N-Gain calculations, LKPD based on a scientific approach assisted by Amrita Olabs virtual laboratory is in the medium category with a value of 0.69. With an average learning outcome of 79.50. Thus, it can be concluded that LKPD based on a scientific approach assisted by Amrita Olabs's virtual laboratory is feasible and effective to be used in physics learning.
QUALIFICATION OF PHYSICS TEST INSTRUMENTS LIKE-PISA
This research aims to develop a physics test instrument based on scientific literacy PISA (Program for International Student Assessment). Development of test instruments using 4D models (Define, Design, Development, Disseminate). The test instrument was tested by expert validity with a CVI score of 1. The test instrument tested involved 130 participants. The results of the item validity test showed that the 20 items tested were valid with a Cronbach Alpha reliability value of 0.816 ("very good" category). The discrimination power test results showed that the developed items are in the "good" and "very good" categories. The results of the difficulty level test showed that there was one difficult item, 11 medium questions, and eight easy questions. This research shows that the physics science literacy skills of students who participate in this research show that students achieve good scores on average. Students who participated in this research had the highest achievement in the competence of evaluation and design of scientific investigations and had the same achievement in both the content and the procedural knowledge aspects
THE DEVELOPMENT OF HIGHER ORDER THINKING SKILLS (HOTS) TEST INSTRUMENT IN SENIOR HIGH SCHOOL
The research aims to develop the objective physics instrument test based Higher Order Thinking skills (HOTS) that already meet the qualification in aspects of validity, reliability, distinguishing power, difficulty level, and effectiveness of detractors. The type of research that is used in research is Research and Development (R & D), the Borg & Gall models which consists of 7 stages, namely : 1) Research and information collecting, 2) Planning, 3) Development preliminary of products, 4) Preliminary field testing, 5) main product revision, 6) Main Field Test, and 7) Main product revision. Subject of research is student class X in SMA Swasta St. Lusia Sei Rotan who totaled 10 people on the preliminary field testing and student class X in SMA Swasta St.Lusia Sei Rotan and SMA N 2 Percut Sei Tuan who totaled 50 people on the main field testing. Results of the study showed that the validation of the contents by expet judgment is valid with the average value is 87.6 and has been getting evidence empirically through validation construction item test with the average value is 3.9 ( tcalculate > ttable , ttable = 2.01), the reliability of item test is 0.87 with high category ( ð‘Ÿ ≥0,70 ), the distinguishing power have the average value is 0.45 with a category well, the average difficulty level is rather difficult with the range value is 0.2-0.73, and the effectiveness of distractors were function, so that instrument test decent used to measure higher order thinking skills of student.
THE DEVELOMENT OF COMIC AS LEARNING MEDIA TO IMPROVE STUDENT™S MOTIVATION IN MOMENTUM AND IMPULSES FOR HIGH SCHOOL
This study aims to: 1) develop interesting instructional media such comics can affect student™s motivation, 2) determine students™ motivation after using comic as learning media, and 3) determine the feasibility of comic and student™s responses on momentum and impulses topic. The study was placed at SMAN 2 Medan and the participants were 20 science students of grade 10th. The type of research with Pretest-Postest group design model. The ADDIE model used for prepared instructional design of Physics Comic. The data of expert™s validations, students™s response and motivations were collected by using questionnaire of experts™ validation, student™ responses and students™ motivation.The result of this study is the product of momentum and impulses comic.The result of material validation is ð‘‹Ì…=4.25 in the good category and instructional media validation is ð‘‹Ì…=4.50 in very good category. The assessment of students in the form of response questionnaire is ð‘‹Ì…=4.38 in very good category. It can be concluded that the momentum and impulses comic is feasible to use in learning and get positive responses from the students. Based on the results obtained, it can be concluded that the momentum and impulses comic is strongly feasible abd very good so that it can be used in the learning process.
THE DEVELOPMENT NEWTON™S LAW HANDOUT BASED ON ANDROID INTEGRATED STEM (SCIENCE, TECHNOLOGY, ENGINEERING, MATHEMATICS)
Abstract This study aims to develop a newton™s law handout in highschool that meets covering feasibiliy aspect, language aspect, presentation aspect, and graphics aspect. This typer of research is research development or Research and Development (R&D), with 4-D model. The population of this study were all student of SMA Negeri 2 Percut Sei Tuan with the subject of all student of class XI IPA1 SMA Negeri 2 Percut Sei Tuan. The testing phase for Newton's legal handouts was carried out by means of product validation by three experts, namely content experts, material experts, and teachers. The results showed that the value of product validity in the very valid category was an average percentage of 92.61% with a description of validator 1 87.73%, validator 2 98.14%, and validator 3 91.97%. while the response value in the category was very good/practical. The n-gain result obtained is 0.6, this indicates that there is an increase in learning outcomes in the medium category. Students give a positive response to the product being developed. Aspects of Ease of Understanding obtained a percentage of 78% (Good), Aspects of Learning Independence 83.75% (Good), Aspects of Learning Activeness 92.50% (Very Good), Aspects of Interest in Handout 86.25% (Very Good), Aspects of Presentation of Handout 93.30% (Very Good), Aspect The Use of Handout 81% (Good), and also the whole response to the handout developed as much 86.43% (Very Good). Teacher also give very positive response with percentage of 100%. Based on the results obtained, it can be concluded that the STEM integrated Newton's law handout is very valid and very good so that it can be used in the learning process. Keywords: Handout, Newton™s law, Android, Feasibility, STEM
Development of Test Instrument To Asses Critical Thinking Skills Using Moodle
This research aims to develop critical thinking based test instrument on Sound Material Using E-Learning, test the feasibility of the instrument and determine the level of students' critical thinking. The research was designed with the ADDIE Learning Design Model and was carried out at SMA Negeri 3 Medan with the subject of class XI students in the MIA program. The initial stages of this research are Analysis, the next stage is Design, then Develop stage by conducting product trials in small and large groups, and the last stage is Implement with evaluation at each step, the last stage is the distribution of instruments carried out within the scope of SMA Country 3 Medan. The results showed that the test instrument based on Critical Thinking Skills On Sound Material Using E-Learning the sound wave material developed by the researcher had met the criteria worthy of being used as a sound wave material learning outcome test instrument. The feasibility of this test instrument was based on validity and reliability tests, from validity test, from 20 questions obtained 7 valid questions. For the large group reliability test, the value of 0.72 is included in the feasible category. It can be concluded that the questions developed by researchers can be used as a measuring tool for students' cognitive knowledge and can be well received by students.
THE DEVELOPMENT OF E-MODULE BASED ON SCIENTIFIC APPROACH TO IMPROVE STUDENT LEARNING OUTCOMES IN WORK AND ENERGY MATERIALS
This research aims to; (1) What is the level of validation of the development of physics e-module based on the scientific approach that was developed on the Work and Energy material. (2) How did the students respond to the electronic module (e-module) based on a scientific approach on the subject matter of Work and Energy for class X SMA/MA students. (3) How is the effectiveness of physics e-module teaching materials based on scientific approach on Work and Energy materials to improve student learning outcomes. This study uses research and development (R & D) methods. The development model in this study uses a 4D model learning tool development method that is limited to the 3D stage with Define, Design, and Development Steps. The data collection instruments used in this study consisted of: material expert and media expert validation questionnaires, teacher responses to questionnaires, student response questionnaires and test instruments. The type of data obtained from the research results is qualitative data which is analyzed using quantitative data in the form of numeric data and interpreted with guidelines for assessment category criteria to determine product quality. The results of this study are, (1) the scientific approach-based physics learning e-module assisted by work and energy materials, the results obtained get very valid criteria with an average validation score of 93% material experts, and 90% media experts, (2 ) Physics learning e-module based on a scientific approach on Work materials and energy the results obtained are very practical criteria with the average score for small group trials 92%, for large group trials 94% and for teacher response tests 90%. (3) physics e-learning module based on a scientific approach to material, Workand energy, the results obtained have a moderate level of effectiveness with an average N- gain score of 0.70.
THE EFFECTIVENESS OF LEARNING USING E-MODULES BASED ON PROBLEM BASED LEARNING TOWARDS PHYSISCS STUDENT LEARNING OUTCOMES
This research aims to design e-module based on problem based learning in work and energy materials. This research method uses Research and Development (R&D) with ADDIE model that are Analysis, Design, Development, Implementation, Evaluation. The research population was students in SMA Negeri 1 Tanah Pinem Class X Science. The data instruments used in this research consisted of validation questionnaires for material expert, media expert, teacher, and student responses questionnaires. The effectiveness quality of the e-module is seen from the pretest and posttest results with N-gain of 0.78 in the high category which shows that the class had increase learning outcomes in the high category. Based on the data, it can be concluded that the e-modules based on problem based learning on work and energy materials are valid and effective.
THE GENERATE OF E-MODULES BASED ON CONTEXTUAL ON HARMONIOUS MOTION MATERIALS TO OPTIMIZE THE UNDERSTANDING CONCEPT IN SMA NEGERI 10 MEDAN
This study aims to knowing the validity, practicality, effectiveness, and optimization of students' understanding of concepts after using e-modules based on contextual on harmonious motion materials. The subjects in this research were students of class X MIA 1 & X MIA 2 in SMA Negeri 10 Medan. This type of research is Research and Development (R&D) using a 4D model. The data collection instruments is consisted of validation questionnaires, teacher and students response questionnaires as well as pretests and posttests of concept understanding abilities. The data analysis techniques are quantitative and qualitative. The results of this study gets very valid criteria with an average score of material experts getting 92.96%, and media experts getting 93.40%, learning experts at 96.48%, the teacher's response with 94.79% and 95.02% student response included in the practical criteria, the effectiveness with an n-gain of 0.71 in the high category, and the understanding of students' concepts by the hypothesis of the calculation tcount is 2,364 while the ttable is 1,799, it was stated that Ha was accepted. So it can be concluded that e-modules based on contextual on harmonious motion materials are valid, practical, effective, and can optimize the understanding of student concepts
PhET VIRTUAL LABORATORY ASSISTED E-MODULE DEVELOPMENT ON STATIC FLUID MATERIALS IN SMA/MA
This study aims to find out how the results of the development of the e-module are to determine the feasibility of the phet virtual laboratory-assisted e-module based on material experts, and media experts, and to find out the practicality of the phet virtual laboratory-assisted e-module based on the responses of students and physics teachers . The type of research used is research and development (R&D). The research model developed is ADDIE (Analysis, design, development, implementation, evaluation). The subjects in this study were all 37 students of class XI IPA at SMA PAB 4 Sampali. Based on the results of the trials that have been carried out, validation results are obtained from material experts with an average percentage score of 93% which is categorized as very feasible, while from the validation results of media experts with an average percentage score of 94% so that it is categorized as very feasible. Then to find out practicality can be seen from the percentage of scores on the response questionnaire of students who obtained a percentage score of 85%, while for the results the percentage score for physics teachers was 90%, so that overall the e-modules that have been developed are in the very practical category.
DESCRIPTION OF CREATIVE THINKING SKILLS BASED ON CREATIVE THINKING TEST IN OPTICAL MATERIALS
This study aims to describe the creative thinking of high school students in solving physics problems. Creative thinking skills are crucial for developing long-term success and improving the quality of life. This research is qualitative descriptive research, research methods used in research is a qualitative method, participants in this study were students of class XI SMA IPA 2 and IPA 6, totaling 66 students, data obtained from student's thinking creativity test instrument which is strengthened by data from student and teacher interviews. Data analysis referred to three indicators of creativity used in the study: fluency, flexibility, and originality. The results showed that the aspect of fluency exhibits the highest average proportion among the characteristics of creative thinking, while the aspect of originality shows the lowest average proportion. It is necessary to apply various kinds of learning models that are applied to be able to improve students' creative thinking skills. Although there are some students with lower levels of creative thinking, it does not imply that they lack creativity, as creativity can be fostered through other activities.
THE IMPLEMENTATION OF COOPERATIVE LEARNING MODEL TYPE GROUP INVESTIGATION USING BRAINSTORMING METHOD TO IMPROVE STUDENT LEARNING OUTCOMES ON WAVES MATERIAL
This research objective are to know the effectiveness of the implementation of cooperative learning model type group investigation using brainstorming methods to improve student learning outcomes in sound waves material. This research method is quasi-experiment with the design of two group pretest and posttest. The Population of this study were all class XI SMA N 1 Tebing Tinggi A.Y 2018/2019. The study sample was taken by class random sampling technique consisting of two classes, namely the experimental class applied cooperative learning model type group investigation using brainstorming method, and the control class applied conventional learning models, each class as many as 36 students. This research data was obtained by using instruments in the form of 10 questions essay tests and activity observations. The results of the data analysis obtained the average value of the experimental class pretest was 30.18 with a standard deviation of 7.76 and the average value of the control class pretest was 33.70 with a standard deviation of 7.91. In the normality and homogeneity tests both classes were normally distributed and homogeneous. The pretest t test results obtained tcount < ttable = 1.92 < 1.99, then H0 is accepted, meaning that both classes have the same initial ability. After being given different treatments, the posttest results were obtained with the results of the experimental class averages 68.61 with a standard deviation of 10.64 and a control class 61.75 with a standard deviation of 8.26. The results of the posttest t test were obtained tcount > ttable = 2.94>1.99 so that Ha is accepted, then the implementation of cooperative learning model type group investigation using brainstorming method can significantly improve student learning outcomes on sound waves topic in Class XI SMA N 1 Tebing Tinggi Academic Year 2018/2019.
IDENTIFICATION OF STUDENTS' PHYSICS LEARNING UNDERSTANDING WITH FOUR-TIER DIAGNOSTIC TEST ON EQUILIBRIUM OF RIGID BODY TOPIC
This research aims to determine students' understanding of the equilibrium of rigid body topic by four-tier diagnostic test. This research was conducted in one of the schools in North Sumatra for students in class XI IPA in the 2023/2024 school year, totaling 53 students. Sampling was done by simple random sampling method. Data collection techniques include tests, interviews, and questionnaires. The test instrument used was a valid four-tier diagnostic test with a test reliability value of 0.719 which amounted to 20 items from 14 question indicators. Student results are categorized as student understanding which is divided into Scientific Conception (10%), Rarely Misconception (17%) caused by students being wrong in determining the reason, Negative False (14%) caused by students who are wrong in answering the question but correct in giving reasons, Lack of Knowledge (31%) caused by students who were unsure of the answer they chose, and Misconception (28%) due to students' ability to solve calculation-based problems and image analysis but have confidence in their answers on the topic of Equilibrium of Rigid Bodies.