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Results in Journal Indonesian Journal of Science and Mathematics Education: 82

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Sugeng Sutiarso
Indonesian Journal of Science and Mathematics Education, Volume 3, pp 185-195; doi:10.24042/ijsme.v3i2.6768

Abstract:
The ability of reversible thinking in mathematics has less attention, but most of the mathematical subject is reversible. This type of research was qualitative descriptive which aimed to analyze student’s reversible thinking skills on the graph concept. The subject of research were students of mathematics education, Faculty of Teacher Training and Education, Lampung University taking the graph theory in the academic year 2019/2020. Research subjects were 40 people selected by the total sampling technique. The research data was collected through tests, namely the question of Ramsey number. Data were analyzed descriptively with 3 stages, namely data reduction, data display, and conclusion. The results showed that 42.5% of students had reversible thinking skills and 57.5% of students did not have them. Based on the results of this study, it was concluded that most students did not have reversible thinking skills on graph concepts.
Pengki Yudistira, Syaiful Syaiful, Evita Anggareini
Indonesian Journal of Science and Mathematics Education, Volume 3, pp 153-164; doi:10.24042/ijsme.v3i2.6146

Abstract:
This quasi-experiment aims to determine the influence of the Problem Based Learning (PBL) model and verbal-visual abilities on Grade VIII students’ learning outcomes. The population in this study were all students of SMPN 7 Kerinci and the sample of the study was 27 students from class VIII A as the experimental class and 26 students from class VIII B as the control class. Research data collection through test instruments to see students’ mathematics learning outcomes. Statistical analysis using two-way ANOVA with SPSS 21 software with a significance of 0.05. The results showed that there was an influence of the Problem Based Learning (PBL) model and verbal-visual ability on the mathematics learning outcomes of Grade VIII students with sig. 0,001 0,005, there is an influence of verbal-visual ability on mathematics learning outcomes of class VIII students with sig. 0,000 0.05 and there is no interaction between the PBL model and verbal-visual ability in influencing students’ learning outcomes in class VIII with sig. 0.341 0.05.
Reni Dwi Puspitasari, Kartini Herlina, Agus Suyatna
Indonesian Journal of Science and Mathematics Education, Volume 3, pp 178-184; doi:10.24042/ijsme.v3i2.6121

Abstract:
In recent years, the flipped classroom and STEM learning approach has become one of the interesting studies in Education. Various researches were conducted to determine their impact on learning. This research is a descriptive survey conducted to determine the needs of teachers and students about e-module with the STEM integrated flipped classroom. Data were collected using a questionnaire with 15 respondents who work as physics teachers in Lampung Province and 30 respondents from grade XI students in one of the high schools in Bandar Lampung. Based on the survey results, we concluded that (1) 86% of physics teachers stated that they needed a STEM-integrated flipped classroom e-module, and (2) 78% of students stated that they were interested in learning by using a STEM-integrated flipped classroom e-module. So it is clear that physics teachers and students in Lampung need e-modules with a flipped classroom approach and integrated STEM.
Yuberti Yuberti, Yani Suryani, Indah Kurniawati
Indonesian Journal of Science and Mathematics Education, Volume 3, pp 245-253; doi:10.24042/ijsme.v3i2.6061

Abstract:
This study aimed to develop a Four-Tier Test diagnostic test instrument that will be used to identify student misconceptions on work and simple machine topic. This research is a development research using the ADDIE model. The result of the research is a multiple-choice test instrument four-tier diagnostic test with the Certainty of Response Index (CRI) to identify misconceptions. The results of expert validation show that the questions are declared valid. Furthermore, the instrument was tested on grade VIII students of SMP Negeri 1 Kalirejo to determine the level of validity, reliability, difficulty, and differentiation on each item. Of the 20 items developed, 15 of them were declared feasible to identify student misconceptions
Jayanti Munthahana, Mega Teguh Budiarto
Indonesian Journal of Science and Mathematics Education, Volume 3, pp 196-209; doi:10.24042/ijsme.v3i2.6718

Abstract:
This research was a qualitative research with an ethnographic approach. Data obtained through observation, interview, literacy study, and documentation with Triangulation Method as data validity. This research examined the mathematical concepts of cultural elements, especially in the building of Bale Agung, Pendhopo Teras, Angkatahun Temple, Naga Temple, Induk Temple and Palah Inscription. The cultural elements studied were also in the form of technology systems used, religion, arts, language and social organization. Based on the results of the study, it was found that there were mathematical concepts that were applied to these cultural buildings, these concepts were in the form of Cuboid and Quadrilateral Prism, Numbers and Number Symbols, Geometry Transformation (Translation and Reflection), and Probability. The building at Candi Panataran can be an object of learning in school for all levels (Primary and Secondary school).
Putri Dorojatun Rahayuningdewi, Ayu Faradillah
Indonesian Journal of Science and Mathematics Education, Volume 3, pp 165-177; doi:10.24042/ijsme.v3i2.6640

Abstract:
This study aimed to determine the effects of problem-solving method on students’ self-confidence and mathematical understanding in learning. This study used quantitative and qualitative methods. The research followed the process of quantitative calculation from instruments about mathematical understanding and described students’ self-confidence, analyzed using Rasch with the WinSteps application. This research was conducted at SMPN 30 Jakarta with class VIII students as the research population. Based on this population, 34 students were selected as the sample with a cluster random sampling technique. Based on the data obtained, it was known that there is a significant effect of problem-solving methods on mathematical understanding. Meanwhile, Rasch data analysis showed a high category for the relationship between understanding and self-confidence of students by 60%. This proved that the effect of the problem-solving method on self-confidence and mathematical understanding is directly proportional.
Zaturrahmi Zaturrahmi, Festiyed Festiyed, Ellizar Ellizar
Indonesian Journal of Science and Mathematics Education, Volume 3, pp 228-236; doi:10.24042/ijsme.v3i2.6474

Abstract:
This study aimed to analyze the use of technology in the form of virtual laboratories in learning, including: (1) problems that cause the use of virtual laboratories in learning, (2) variables that are influenced by the use of virtual laboratories in learning, and (3) Scientific fields that utilize virtual laboratories in learning. The research method used was a meta-analysis with a sample of 30 international journal articles. Data collection was done by collecting similar scientific articles related to virtual laboratories and then analyzing them. The results of this meta-analysis study indicate that the main problem that causes the use of virtual laboratories in learning is the low understanding of students' concepts of learning topics. Furthermore, the variable most affected by the use of virtual laboratories is student achievement. Finally, the scientific field that most often utilizes virtual laboratories in learning is Physics.
Radiusman Radiusman, Yurniwati Yurniwati, Maslina Simanjuntak, Rizki Jamiatul Sabariyah, Iva Nurmawanti
Indonesian Journal of Science and Mathematics Education, Volume 3, pp 133-143; doi:10.24042/ijsme.v3i2.6075

Abstract:
This qualitative research aims to describe students’ misconceptions in linear programming reviewed from written mathematical communication ability. Four students from grade X SMKN 1 Purwasari were selected as research subjects by purposive sampling. Data collected through observation and essay tests. The results showed that the sample students experienced misconceptions in the low and high categories. Misconception with high categories lies in the indicators of changing mathematical ideas into mathematical models (75%), represent mathematical ideas into images or vice versa (100%), and mathematical problem-solving procedures (75%), while misconception with low categories is found in indicators choose the right concept in solving mathematical problems (25%). Based on this result, further treatment is needed to overcome students’ misconceptions before students continue learning to a higher stage.
Wira Novantri, Maison Maison, Muslim Muslim, Lusi W Aftriyati
Indonesian Journal of Science and Mathematics Education, Volume 3, pp 144-152; doi:10.24042/ijsme.v3i2.6615

Abstract:
Based on the theory, the success of students in learning is determined by learning model applied by the teacher and students’ independent learning skills. This research is a quasi experimental research with pretest and posttest design. The population of this research was students of class XI SMA N 3 Tebo in 2019/2020 academic year. The sampling technique used cluster random sampling. The research instruments used mathematical cognitive tests and student independent learning questionnaires. The data analysis technique used is two-way variance analysis with 3 × 3 factorial design. Based on the results of this researh, we can concluded that (1) There is a difference in the average of students’ mathematics cognitive skills based on the applied learning model, (2) There are differences in the average of students mathematics cognitive learning outcomes based on the level of independent learning, (3) there is no interaction between Discovery learning model and independent learning towards students’ mathematics cognitive skills.
Aan Putra, M Hafis, Laswadi Laswadi, Mesi Oktafia
Indonesian Journal of Science and Mathematics Education, Volume 3, pp 210-218; doi:10.24042/ijsme.v3i2.6506

Abstract:
This study aimed to determine the effect of Gallery of Learning with Geogebra as active learning strategies on students’ learning motivation. This research was a quantitative study with the one grup pretest-posttest design. The population of this study was all eight-grade students of SMP Negeri 27 Kerinci. The sample consisted of 27 students which selected by saturated sampling techniques. Student motivation data were obtained from motivation questionnaires that given before and after the application of the Gallery of Learning with Geogebra as active learning strategy. Data processing of student motivation was done by comparing students' motivation scores before and after treatmen by, using the t-test. The t-test results indicated that there was influence on the implementation of the active learning strategy of Gallery of Learning with Geogebra on students' learning motivation.
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