Maratu Shalikhah, Maratu
Prodi Magister Pendidikan Matematika, Pascasarjana, FKIP – UNS

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SPERIMENTASI MODEL PEMBELAJARAN NUMBERED HEADS TOGETHER (NHT) DAN STRUCTURED NUMBERED HEADS (SNH) DENGAN PENDEKATAN SAINTIFIK PADA MATERI HIMPUNAN DITINJAU DARI SELF-EFFICACY Shalikhah, Maratu; Usodo, Budi; Subanti, Sri
Jurnal Pembelajaran Matematika Vol 4, No 1 (2016): Pembelajaran Matematika
Publisher : Jurnal Pembelajaran Matematika

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Abstract: The aim of the research was to determine the effect of learning models on mathematics achievement and learning interest viewed from students self-efficacy. The learning model compared were NHT with scientific approach, SNH with scientific approach, and classical with scientific approach. The type of the research was a quasi-experimental research. The populations were all students of Junior High School in Bantul regency. Sampling was done by stratified cluster random sampling. The samples were students of SMPN 1 Pleret, SMPN 2 Sewon, and SMPN 2 Imogiri. The instruments used were mathematics achievement tests and self-efficacy questionnaire. The data was analyzed using unbalanced two-ways Anova. The conclusion were as follows. (1) SNH with scientific approach gives better mathematics achievement than NHT with scientific approach, and both gives better mathematics achievement than classical with scientific approach. (2) Mathematics achievement of students who have high self-efficacy was better than students who have medium and low self-efficacy, and both (medium and low) have the same mathematics achievement. (3) For NHT with scientific approach, students who have high and medium self-efficacy have the same mathematics achievement. Mathematics achievement of students who have high self-efficacy was better than students who have low self-efficacy. Students who have medium and low self-efficacy have the same mathematics achievement. For SNH with scientific approach, mathematics achievement of students who have high self-efficacy was better than students who have medium and low self-efficacy, and both (medium and low) have the same mathematics achievement. For classical with scientific approach, students who have high, medium, and low self-efficacy have the same mathematics achievement. (4) For students who have high self-efficacy, SNH with scientific approach gives better mathematics achievement than NHT with scientific approach and classical with scientific approach. NHT with scientific approach and classical with scientific approach gives the same mathematics achievement. For students who have medium and low self-efficacy, all learning models gives the same mathematics achievement.Keywords: Numbered Heads Together (NHT), Structured Numbered Heads (SNH), classical, scientific approach, self-efficacy.
SPERIMENTASI MODEL PEMBELAJARAN NUMBERED HEADS TOGETHER (NHT) DAN STRUCTURED NUMBERED HEADS (SNH) DENGAN PENDEKATAN SAINTIFIK PADA MATERI HIMPUNAN DITINJAU DARI SELF-EFFICACY Shalikhah, Maratu; Usodo, Budi; Subanti, Sri
Jurnal Pembelajaran Matematika Vol 4, No 1 (2016): Pembelajaran Matematika
Publisher : Jurnal Pembelajaran Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Abstract: The aim of the research was to determine the effect of learning models on mathematics achievement and learning interest viewed from students self-efficacy. The learning model compared were NHT with scientific approach, SNH with scientific approach, and classical with scientific approach. The type of the research was a quasi-experimental research. The populations were all students of Junior High School in Bantul regency. Sampling was done by stratified cluster random sampling. The samples were students of SMPN 1 Pleret, SMPN 2 Sewon, and SMPN 2 Imogiri. The instruments used were mathematics achievement tests and self-efficacy questionnaire. The data was analyzed using unbalanced two-ways Anova. The conclusion were as follows. (1) SNH with scientific approach gives better mathematics achievement than NHT with scientific approach, and both gives better mathematics achievement than classical with scientific approach. (2) Mathematics achievement of students who have high self-efficacy was better than students who have medium and low self-efficacy, and both (medium and low) have the same mathematics achievement. (3) For NHT with scientific approach, students who have high and medium self-efficacy have the same mathematics achievement. Mathematics achievement of students who have high self-efficacy was better than students who have low self-efficacy. Students who have medium and low self-efficacy have the same mathematics achievement. For SNH with scientific approach, mathematics achievement of students who have high self-efficacy was better than students who have medium and low self-efficacy, and both (medium and low) have the same mathematics achievement. For classical with scientific approach, students who have high, medium, and low self-efficacy have the same mathematics achievement. (4) For students who have high self-efficacy, SNH with scientific approach gives better mathematics achievement than NHT with scientific approach and classical with scientific approach. NHT with scientific approach and classical with scientific approach gives the same mathematics achievement. For students who have medium and low self-efficacy, all learning models gives the same mathematics achievement.Keywords: Numbered Heads Together (NHT), Structured Numbered Heads (SNH), classical, scientific approach, self-efficacy.
ANALISIS KESULITAN SISWA SMP NEGERI 3 PLERET PADA MATERI ARITMATIKA SOSIAL Shalikhah, Maratu
Academy of Education Journal Vol 10 No 01 (2019): Academy of Education Journal
Publisher : FKIP UCY

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Abstract

Social arithmetic material is the focus of this research. Researchers want to find out more about student understanding related to social arithmetic material. In addition, social arithmetic materials require various prerequisite materials that must be mastered by students. The main problem examined in this study is the student's mistake in solving social arithmetic material. This study aims to determine the forms of errors made by students in solving problems related to social arithmetic, the causes, and provide solutions to the errors that have been identified. The subjects in this study were eighth grade students of SMP Negeri 3 Pleret. Student error data obtained from written test results. Student answers are incorrectly identified into the types and forms of errors. After that, several students were selected to be interviewed. This research uses a qualitative approach and the type of research is descriptive. From the results of data analysis it can be concluded that students experience: (1) difficulty in performing the problem solving algorithm; (2) difficulties in understanding the concept of profit or loss if it is associated with the purchase price and selling price; (3) difficulties in understanding the concept of discount. Alternative solutions to overcoming these difficulties are: (1) Teachers need to get used to and emphasize to students so that in working on problems always accompanied by clear steps; (2) Apply themethod Role Playing by utilizing the school canteen.