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Journal : Journal of Mathematics and Applied Statistics

Analysis of Spatial Ability in terms of High Self Efficacy Saipullah, Muhammad; Anwar, Azwar; Hermansyah, Hermansyah
Journal of Mathematics and Applied Statistics Vol. 1 No. 2 (2023): December 2023
Publisher : Yayasan Insan Literasi Cendekia (INLIC) Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35914/mathstat.v1i2.88

Abstract

This research was conducted to find out and describe how students' spatial abilities are viewed from high self efficacy. The type of research used is qualitative with a case study approach. The subjects in the study were students with high questionnaire results from the questionnaire categorization results. The technique of taking subjects is purposive sampling, before choosing the subject the researcher gives self efficacy questionnaire to all students of class VIII Al-Qalam. Furthermore, the questionnaire was categorized, then obtained three subjects with high self efficacy. Researchers collected data with questionnaires, document analysis and interviews. In this study the researcher acts as the main instrument, while the supporting instruments of this study are questionnaires, interviews and documents. The data analysis technique used in this research is by collecting data, reducing data, presenting data, and drawing conclusions. The data validity test used is credibility test, transfebility test, dependability test, and confirmablity test. The results showed that each subject with high self efficacy has different and similar characteristics in answering spatial ability questions. All subjects can fulfill the spatial ability indicators well. So it can be concluded that subjects with high self efficacy are able to fulfill spatial ability indicators and have good spatial abilities.
The Effect of Problem-Based Learning on Students’ Mathematics Problem Solving Ability Yulyana, Yulyana; Hamid, Hariaty; Anwar, Azwar
Journal of Mathematics and Applied Statistics Vol. 2 No. 1 (2024): June 2024
Publisher : Yayasan Insan Literasi Cendekia (INLIC) Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35914/mathstat.v2i1.167

Abstract

The purpose of this study was to determine the effect of problem-based learning on students' mathematics problem solving ability at SMA Negeri 1 Tanjung Palas Tengah. This research is an experimental research with pretest- posttest control group design. The population in this study were all grade XI students at SMA Negeri 1 Tanjung Palas Tengah. The sample was drawn using cluster random sampling technique and the research sample was obtained, namely class XI IPA 1 with a total of 15 students as an experimental class and class XI IPA 2 with a total of 15 students as a control class. The data collection technique in this study was a written test. Data analysis in this study used descriptive analysis, namely the average and standard deviation and prerequisite tests, namely normality test and homogeneity test for initial data and hypothesis testing using independent sample t-test statistical test. The results of the descriptive analysis showed that the average pretest score in the experimental class was greater than the average pretest score in the control class, which was 59.87 in the experimental class while in the control class it was 52.87. While the posttest value in the experimental class was 79.93, while in the control class it was 65.33. Based on the results of the independent sample t-test analysis with a significant level of 5% (α = 0.05). Thus H0 is rejected and H1 is accepted, so it can be concluded that the problem-based learning model affects the problem solving ability of class XI students of SMA Negeri 1 Tanjung Palas Tengah.