Average N-gain Score Research Articles

The Effectiveness of STEM Integrated Problem-Based Learning in Enhancing Student Science Literacy on Temperature and Heat Materials

Science literacy is a key factor in overcoming real-life problems, but it needs to be adequately trained in schools. Therefore, this study aims to analyze the effectiveness of STEM-integrated problem-based learning (STEM-PBL) in enhancing students' science literacy skills. This research is part of research and development with the ADDIE model in the implementation and evaluation stages. The implementation test used a one-group pre-test and post-test design on 58 students divided into two groups. The data collection instruments were science literacy tests and an interview questionnaire. The results showed that: (1) paired t-test results showed that there was a significant increase in students' science literacy skills in both groups; (2) independent t-test results showed that there was no significant difference in the average N-gain score of science literacy in both groups; and (3) n-gain test results for science literacy showed an increase in science literacy in both groups in high criteria. Thus, STEM-PBL is effective in enhancing students' science literacy. STEM-PBL can be the leading solution to realizing the science literacy movement in schools.

The use of multimedia interactive to improve students science literacy in the new normal era

This study aims to describe the influence of interactive multimedia on students' science literacy in the new normal era and student responses after learning using interactive multimedia on energy flow materials. The type of research used is pre-experimental design research through one group pretest-postest design. The subjects in this study were 31 students of class VIIC in Muhammadiyah Junior High School 2 Taman Sidoarjo, even semester of the 2021/2022 academic year. Data collected by techniques use observation, tests, and questionnaires. Research instruments include observation sheets for the implementation of learning, science literacy tests, and student response questionnaire sheets. The data were analyzed descriptively using the N-Gain test, the implementation observation sheet, and the response questionnaire. The results showed that the implementation of learning using interactive multimedia on energy flow materials got the criteria for being carried out properly. Students' science literacy skills increased from an average pretest score of 38.5 to 81 on the posttest, with an average N-Gain score of 0.69, categorized as moderate. The learning process and the use of interactive multimedia applications on energy flow materials were also responded to positively by students. Based on the description above, learning using interactive multimedia on energy flow materials can improve students' science literacy skills in the new normal era.

Developing Wix.Com Media to Improve Students’ Descriptive Text Writing Skills

This research aims to develop the learning media based on wix.com, to increase the students’ competence in descriptive text writing, and to find its validity and its effectiveness. The process of developing Production Écrite Avancée (PEA) learning material with wix.com is carried out in five stages; these are analysis, design, development, implementation and evaluation. The feasibility of PEA learning can be seen from the validation results. The results are rated 86.1% (very good) from material expert validation and 87.3% (very good) from the media expert validation. In addition, the result of the evaluation of the student questionnaire showed that the developed product obtained the rating of 86% (very good), so this product is valid or feasible. The result of the effectiveness of PEA learning with Wix.com shows that students’ pre-test and post-test increased. The students’ average score are 65 in the pre-test and 94 in the post-test. Progression exists in the students’ competence after learning and this is consistent with the results of the normality test. The pre- and post-test data have the value of Sig. 0.193 and Sig. 0.067 respectively. Since the sig. value for both data is > 0.05 then, as the basis for decision making in the Shapiro wilk normality test where if the value of sig. is > 0.05, there is a difference between pre-test and students’ positions. Hence, the students’ pre- and post-test data are normally distributed and increase their skills. This is also supported by the N-Gain test showing the average N-Gain score (g) of 0.51; the efficiency of the material learned with Wix.com is effectively used for PEA. Keywords: Writing, learning media, animation board, Benime

Development of Mathematics e-Modules based on PjBL STEM on Materials Constructing Flat Side Spaces to Improve Mathematical Communication Ability of Junior High School Students

This development research aims: 1) To find out the validity, practicality, and effectiveness of the PjBL STEM-based Mathematics e-Module on the material of Constructing Flat Side Spaces. 2) Knowing the increase in mathematical communication skills of class VIII B students of SMPN 2 Sawahan after using the PjBL STEM-based Mathematics e-Module. The development model in this research uses 4D which consists of Define, Design, Development, and Dissemination. The instruments used include a learning device validation sheet to determine the validity of the developed e-module, student response questionnaires to determine the practicality of the developed e-module, and learning outcomes tests to determine the effectiveness of the developed e-module. The results showed: 1) the PjBL STEM-based Mathematics e-Module on the Flat Sided Space Building material met the validity criteria, the average validation sheet obtained a value of 94% with the "very valid" category, and the practicality criteria obtained from the student response questionnaire sheet reached a score of 62 % in the field trial with the practical category, and the effectiveness criteria tested using the t-test met the specified criteria, the post-test value of the experimental class was 4.75 greater than the control class and the p-value = 0.015 0.05 means that there is a difference in scores student learning outcomes significantly in the experimental class and control class. 2) The improvement of students' mathematical communication skills can be seen after using the developed e-Module. This can be seen from the results of the normalized gain test with an average N-Gain score of 0.63 (medium level of interpretation). So that it proves that the development of e-Modules developed can improve students' communication skills. Based on the results of the study, it is concluded that the PjBL STEM-based Mathematics e-Module developed by researchers can improve students' mathematical communication skills and is suitable for use in learning

Implementation of Blended-Flipped Classroom Model Assisted by Video to Improve Students’ Creative Thinking Skills

This study aims to determine the improvement of students' creative thinking skills through a video-assisted blended-flipped classroom model on work and energy materials. This study uses a quantitative approach. The research was carried out at SMA-IT Abu Hurairah Mataram in the 2nd semester of the 2021/2022 academic year. The research subjects were 32 students of X MIA 2. The instrument used is a test of creative thinking skills on work and energy materials. The results showed that the N-Gain scores of students on the aspects of fluency, flexibility, originality, and elaboration were 0.91; 0.27; 0.13; and 0.40 respectively. The average N-Gain score is 0.41 in the medium category. Thus, it can be concluded that the video-assisted blended-flipped classroom model can improve students' creative thinking skills

Personal Meaning Approach: Alternative for Increasing Students' Interest in Learning

This study aims to see the effect of teaching methods with personal meaning and traditional learning methods to increase students' interest in learning physical education at school. The experimental group had 63 participants (aged 15-17 years), while the control group had 63 samples (mean age 15-18 years). The results of research conducted using personal and conventional meaning as physical education learning methods are both ineffective in increasing students' interest in learning; in addition, the two methods have no significant (significant) difference in effectiveness between the use of personal meaning and conventional methods. This can also be seen with the calculation of the Independent Samples Test 0.739 > 0.05. If you look at the analysis results, the average NGain score for the experimental class (personal meaning) is 9.8903 or 9.8%, which is included in the less effective category. Meanwhile, the average N-Gain score for the control class (conventional) is 10.1448, or 10% is included in the less effective category. Then the researcher suggested conducting a further study with a more extended period to find out the effect of the personal meaning method in increasing students' interest in learning physical education.

Exploration the skills of teachers: Implementation technological pedagogical content knowledge

Technological pedagogical content knowledge (TPACK) is urgently needed by science teachers in schools in the 21st century. This study aims to describe the effectiveness of teachers in applying the TPACK model. Regarding effectiveness, there is a statistically significant increase in alpha 0.05, which is the average score of teacher skills for classes A and B; the average normalised gain (n-gain) score for minimum teacher skills is in the medium category; there is no statistically significant difference in the alpha 0.05 average score of n-gain skills of teachers of classes A and B; the minimum effect size is in the medium category. The research sample consisted of 70 junior high school natural science teachers, each class with 35 teachers. The collected data were analysed using paired sample t-test, n-gain calculation and effect size. The results showed that the increase in teacher skill scores was significant; the average n-gain score of teachers’ skills was in the medium category; the average score of the average n-gain of teachers’ skills was not different between classes A and B; and the effect size is in the moderate effect category. The conclusion of this study is that teacher professional education programme activities are effective in implementing the TPACK model. The TPACK model can improve the skills of teachers’ higher-order thinking skills in teaching science in schools.
 Keywords: Science, teacher, technological, pedagogical, content knowledge

THE EFFECTIVENESS OF COLLABORATIVE WRITING TO IMPROVE THE STUDENTS' WRITING SKILL

This study aims to determine whether collaborative writing is effective to improve students' writing skills or not and to know students' perceptions of collaborative writing. This research was conducted at SMAN 3 Majene. The samples of the research were 40 students from grade X or tenth grade. The researchers employed mixed research methods. Researcher used tests to collect data about the ability to write descriptive texts and interviews as research instruments to collect data about the extent of the influence of collaborative writing on motivation and self-confidence in learning. The data analysis technique uses Statistical Product and Service Solution (SPSS) 20 to analyze quantitative data and qualitative descriptive analysis techniques to analyze qualitative data and the results of this study indicate that there is an effect of collaborative writing on learning motivation. Based on the results of the N-Gain score test which were analyzed using SPSS, it showed that the average N-Gain score for the experimental group (collaborative writing) was 52.5034. It is categorized less effective category with a minimum N-Gain value of 36, 17% and a maximum value of 66.67%, it indicates that the effect of collaborative writing on students' learning motivation is able to improve students' writing skills with category less effective. Thus, this collaborative writing is recommended to improve students’ writing skills.

Efektivitas Model TTW (Think Talk Write) terhadap Kemampuan Literasi dan Numerasi Dasar Siswa

The purpose of this study was to determine the effectiveness of the TTW (Think Talk Write) learning model on the basic literacy and numeracy abilities of VB class students at SDN Tanak Embang, Selebung, Batukliang, Lombok Tengah, Nusa Tenggara Barat. This research is quantitative research using pre-experimental design method type one group pretest-posttest. This research is a population study because all 21 students in class VB are the research subjects. The instruments in this study were 10 multiple choice questions which were used as questions for students' pretest and posttest. The data analysis technique used a normality test as a prerequisite for analysis, paired sample t-test, an effect size test, and N-Gain test. The normality test shows that all data are normally distributed. The paired sample t-test showed a difference between the pretest and posttest scores, where the posttest scores were better than the pretest scores. The effect size test shows that the score d=-1,445 is in a small category because it is 0.05. This means that the TTW (Think Talk Write) learning model has a small effect on students' basic literacy and numeracy skills. The N-Gain test shows the average N-gain score for class VB is 47.0805 or 47% is included in the less effective category. Thus, it can be concluded that the use of the TWW (Think Talk Write) learning model is less effective in improving the basic literacy and numeracy skills of class VB students at SDN Tanak Embang.

The Impact of Self-conversation Recording to Improve EFL Students’ Fluency: A Quasi-Experimental Research

This article aims at exploring Bangladeshi EFL students’ use of self-conversation recordings and their effectiveness in improving oral fluency. It also explores using Task-Based Language Teaching (TBLT) to enhance students' speaking performance. The study followed a quasi-experimental research design to check the improvement in the student's oral fluency and accuracy. The sample has been selected purposively. The study sample was 50 EFL students studying in the first semester at the Department of English at the Green University of Bangladesh. Students' speaking data were collected using a pre-test at the beginning of the semester and a post-test at the end of the semester. The data were then analyzed using the statistical software SPSS. The result of the study shows that the self-conversation recording by the students can improve their fluency with grammatical accuracy, and the achievement in the fluency of the students from the experimental group was considerably higher than the control group. The average N-gain score of the experimental group students was better than the control group students (.0424>0.205). However, the mean score achieved in the pre-test in the experimental class and control class was (52.14 <59.16), the mean score achieved in the post-test by the experimental group was higher (72.33 >67.40). The paired sample t-test indicates a significant improvement with a t-value of -14.237 and p. value = .000<0.005. Based on the findings, the study recommends that the instructors of the EFL classroom can use self-conversation recordings to improve their students’ fluency.

Efektifitas Model Blended Learning Terhadap Hasil Belajar Matematika Siswa SMP

The purpose of this study was to determine the effectiveness of blended learning on the mathematics learning outcomes of students at SMPN 2 Kota Bima. The sample in this study was class VII7 which was taught using the blended learning method and class VII6 using the conventional method. This research is a quasi-experimental research with a pre-test post-test design model, namely research that provides test questions before and after learning using blended learning methods and conventional methods. The research instruments used in this study were pre-test and post-test questions in the form of descriptions of the numbers material. The data collection technique was to use the technique of documenting the results of the pre-test and post-test given to both the experimental and control classes. The data analysis technique used sample inferential analysis technique using the Normalized Gain (N-Gain) test through the SPSS 20.0 for Windows program by first testing for normality and homogeneity. based on the results of the hypothesis testing carried out by the through-NGain test, it was found that the average N-Gain value of the Control class with a 95% confidence level was 60.17% with a minimum N-Gain score of 44.44 and an N-Gain with a maximum score of 76.19. Based on these results it can be concluded that learning using conventional methods for class VII students of SMPN 2 Kota Bima is in the category of being quite effective for improving learning outcomes. For the Experiment class, the average N-Gain score with a confidence level of 95% was 43.74% with a minimum N-Gain score of 21.43 and a maximum N-Gain score of 72.22. Based on these results it can be concluded that mathematics learning using the blended method for class VII students of SMPN 2 Kota Bima is in the less effective category for improving learning outcomes.

Effectiveness of Using E-learning at STEM-based Physics Learning to Improve Communication Skills of High School Students

This study aims to determine the effectiveness of e-learning in STEM-based physics instruction on students' communication abilities. This research is a continuation of development research using the Allesi and Trollip model, which three experts have validated to make STEM-based e-learning to improve students' communication skills feasibly. The pre-experimental pretest-posttest design was used in this study's methodology. Thirty-one students from class XI MIPA Senior High Schools made up the sample for this study. The instrument used is a communication skill observation sheet with three observers to compare the impact before-after intervention, this study employed SPSS 25 to conduct a t-test and n-Gain. The results of the t-test and n-gain calculations show that STEM-based physics learning e-learning can significantly improve students' communication skills with an average n-gain score of 0.62 in the medium category. The highest increase was in oral communication (n-gain: 0.74), and the lowest was in student presentation skills (n-gain: 0.51). Furthermore, given the value of the t-count<t-table is 29.75<1.70, the analysis utilizing the t-test yields H1 being accepted so that the developed e-learning can be used as a medium for learning physics in the revolutionary era 4.0 in order to be able to face the demands of 21st-century learning.

DEVELOPMENT OF ETNOSCIENCE BASED INTERACTIVE SCIENCE MODULE TO IMPROVE STUDENT'S CRITICAL THINKING ABILITY

This study aims to produce an interactive ethnoscience-based science module that is valid, practical and effective to improve students' critical thinking skills in science subjects with the subject matter of environmental pollution. This research is included in research and development (Research and Development) referring to the ADDIE development model including the Analysis, Design, Development, Implementation, Evaluation stages. Testing of ethnoscience-based interactive science modules in learning and critical thinking skills tests were conducted on seventh grade students of MTs Nahdlatul Wathan Suela and SMP Nurul Jihad NW Senyiur, NTB. The trial design of this study used the One Group Pretest-Posttest Design. The results showed that the average percentage of the feasibility value of the ethnoscience-based interactive science module from the three validators was 80.6% with very decent criteria, critical thinking ability instrument was 77.7% with proper criteria. The practicality of using an interactive science-based science module based on enscience in the trial got an average score of 75.2% with practical criteria. The ethnoscience-based interactive science module is effective in improving students' critical thinking skills with an average N-gain score of 68 with moderate criteria. These results indicate that the developed interactive science module has valid, practical and effective criteria to improve students' critical thinking skills

EFEKTIVITAS PEMBELAJARAN SERVIS BAWAH PERMAINAN BOLAVOLI BERBASIS MULTIMEDIA DI SMA YP YAQLI OKU TIMUR SUMATERA SELATAN

This research uses quantitative methods. This study aims to determine the effectiveness of implementing multimedia-based volleyball game underhand learning in class X High School (SMA). The research design in this study was one control group pretest-posttest. The research was conducted at SMA YP Yaqli OKU Timur, South Sumatra. Based on the results of the test of the effectiveness of the application of multimedia-based volleyball underhand learning in class X High School (SMA) that has been carried out, the results of the N-Gain Score test on the learning outcomes of volleyball underhand serve obtained an average N-Gain Score for the class experiment of 93.5% in the "effective" category, the minimum N-Gain Score is 81.8% and the maximum N-Gain Score is 100%. While the average N-Gain Score for the control class is 31.3% in the "ineffective" category, the minimum N-Gain Score is 19.2% and the maximum N-Gain Score is 52.3%, so that it can be concluded that the application of service learning development Multimedia-based volleyball has proven to be effective so that it can improve the underhand serve skills of class X SMA YP Yaqli OKU East, South Sumatra. So from the results of this study it is suggested to teachers, coaches and novice athletes to be able to use the multimedia-based under serve learning product that has been developed.

The Influence of Project Based Learning Model on Students' Problem-Solving Competence in Learning of Acid-Base

The study aims to determine the influence of Project Based Learning Model on students' problem-solving competency. The method used was experimental method with Pretest-Posttest Control Group Design. This study was conducted at the State Junior High School 2 Brebes with the students of grade VII in the academic year 2021/2022 as the research population. The sampling technique used in this study was Simple Random Sampling. The results showed that the average N-Gain Score for the experimental class was 0.76, it was higher than the control class with the score of 0.60. The results of the T-Test indicated that the data resulted in this study met the criteria with the value of tcount = 18,812 ˃ ttable = 1,97897 meaning that Ha is accepted. It can be concluded that the Project Based Learning Model has an influence on the students' problem-solving competence in learning acid-base.

Development of Mobile Learning Applications (MLA) Electromagnetic Induction Based on PjBL to Improve Students’ Critical Thinking Skills

Efforts Mobile or smartphone is one of the most strategic media used in 21st-century learning. This study aims to develop Mobile Learning Applications (MLA) Electromagnetic Induction Based on PjBL that are valid for physics learning in high school and improve the critical thinking skills of high school students on electromagnetic induction material. The method used in this research is Research and Development. Media development is carried out by referring to the ADDIE development model which consists of five stages of the development process, namely: Analyze; Design; Develop; Implement and Evaluate. The results of the electromagnetic induction MLA validity test by experts are in the very good category, as well as the results of the media implementation trials for teachers are in the very good category. The results of the trial implementation of the media to students were in a good category and the results of the N-gain test experienced an increase in the average N-gain score from pretest to post-test by 0.45 or 45% were in the medium category. Thus, it can be concluded that the development of Mobile Learning Applications (MLA) Electromagnetic Induction Based on PjBL which was carried out in this study was valid for physics learning in high school and could improve the critical thinking skills of high school students.

The RCCDE learning in understanding the concept of seawater invertebrates in tabuhan island bangsring banyuwangi, indonesia

This research is essential to empower the understanding of the concept of invertebrate material that is difficult to observe because its habitat is in seawater. This research aims to reveal the effectiveness of the Reading Concept Map Connection Discussion Evaluation (RCCDE) learning model on students' conceptual understanding of Seawater Invertebrates. This type of research is a quasi-experimental, one-group pre-test and post-test design. The research data were analyzed using the N-gain score. The analysis results showed that the class average N-gain score was 0.71, which was greater than the N-gain score of 0.7 (g > 0.7). This means that the RCCDE model is effective for students in understanding the concept of seawater invertebrates because it has high criteria. The individual average normalized gain analysis results found 20 students with a high standard of g > 0.7 and 14 students with a gain score of 0.3 > g 0.7. On the medium criterion, there were no students with a score of g 0.3. This shows the effectiveness of the RCCDE syntax in empowering concept understanding. Students play an active role in learning activities to find their problems and look for answers until they find answers and solutions.

Pengaruh Pembelajaran Inkuiri Terhadap Kemampuan Berpikir Kritis Siswa SMA Negeri 02 Bengkulu utara

The critical thinking ability of students at SMA Negeri 02 Bengkulu Utara is still relatively low. For this reason, it is very necessary to have a learning system that supports the improvement of students' critical thinking skills. The inquiry learning emphasizes the activeness of students to have a learning experience in finding material concepts based on the problems posed so that they can improve students' critical thinking skills. The purpose of this study is to determine the critical thinking skills of students at SMA Negeri 02 Bengkulu Utara and to determine the effect of inquiry learning on students' critical thinking skills at SMA Negeri 02 Bengkulu Utara. The type of research conducted is experimental research. The research methodology used in this research is quantitative, namely quasi-experimental. Data collection analysis techniques through tests, observations and documentation. The samples taken are class X MIPA 5 and X MIPA 6. Where the number of students in class X MIPA 5 is 30 people and class X MIPA 6 is 30 people. The results of this study indicate that inquiry learning at SMA Negeri 02 Bengkulu Utara has an influence on students' critical thinking skills, this can be seen from the results of testing the calculated f value (3.150) more than f table (0.05) so that based on the testing criteria, the null hypothesis (H0) is rejected. There is no difference in the initial critical thinking ability of students at SMA Negeri 02 Bengkulu Utara for the experimental class and the control class, this can be seen from the tcount value less than ttable so that the null hypothesis is accepted. Meanwhile, for students' critical thinking skills for the experimental class and the control class after being given treatment there are differences, this can be seen from the value of tcount more than ttable, the null hypothesis is rejected. The effect of inquiry learning on students' critical thinking skills at SMA Negeri 02 Bengkulu Utara shows the average N-gain score for the experimental class of 60.87% "Quite effective". Meanwhile for the control class, 36.09% is "ineffective". So it can be concluded that the use of the inquiry learning model is quite effective in improving students' critical thinking skills at SMA Negeri 02 Bengkulu Utara. .

Improving critical thinking skills of high school students through learning mini research projects on household waste management activities

This study explores the effect of mini research project learning on high school students critical thinking skills in household waste management activities. To achieve this goal, this study used a pre-experiment method with one group pre-test post-test design. Data were taken from first-grade students in one of the senior high schools in Bandung as research subjects for the experimental class without a control class. The test instrument (essay) adapted from Facione (2011) was used to measure students' critical thinking skills. The results showed that there was an increase in students' critical thinking skills after learning the mini research project with an average N-gain score of 0.55 (medium). The criteria for critical thinking skills had also changed from the average critical thinking score achievement which was very low (not manifested) to high (strong) which was seen based on the results of the initial and final tests.

The implementation of student worksheets based on problem-based learning to improve students science process skill

The study aims to describe the implementation of students' worksheets based on problem-based learning to improve students' science process skills, the activity of students' science process skills, and the student's responses. The research used is pre-experimental with one group pre-test post-test research design using one experiment class. The research is conducted at junior high school 6 Gresik with a sample of one class, namely VII-G, consisting of 30 students. The data collection method used are observations, written tests, and questionnaires. The data analysis technique used is quantitative descriptive. The result of the study shows that the learning implementation for three meetings got the average criteria carried out well. The science process skills observed are formulating problems, formulating hypotheses, identifying variables, interpreting data, making conclusions, and communicating. The average N-gain score obtained is 0.88 in the high category, which indicates that the students' science process skills have increased. The learning process also responds positively, with an average response of 93% with very effective criteria. Based on the description above, it can be concluded that learning by using students' worksheets based on problem-based learning can enhance students' science process skills on environmental pollution material.