Triana Harmini
Prodi Magister Pendidikan Matematika, Pascasarjana, FKIP – UNS

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EKSPERIMENTASI PEMBELAJARAN MATEMATIKA MENGGUNAKAN PEMBELAJARAN KOOPERATIF TIPE TEAM ASSISTED INDIVIDUALIZATION DAN TIPE GROUP INVESTIGATION PADA MATERI PERSAMAAN DAN PERTIDAKSAMAAN KUADRAT DITINJAU DARI GAYA BELAJAR KOLB PADA SISWA SMA NEGERI KELAS X Harmini, Triana; Sujadi, Imam; Sari S, Dewi Retno
Jurnal Pembelajaran Matematika Vol 2, No 5 (2014): Pembelajaran Matematika
Publisher : Jurnal Pembelajaran Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (267.9 KB)

Abstract

Abstract:The objectives of this research were to determine: (1) which students had the better mathematics learning achievement, instructed with TAI, GI, or direct instruction;  (2) which students had the better mathematics learning achievement, those with the converger, diverger, assimilator, or accommodator learning style; (3) in each learning style, which  students had better mathematics learning achievement, instructed with TAI, GI, or direct instruction; (4) in each learning model, which students had a better mathematics learning achievement, those with the converger, diverger, assimilator, or accommodator learning style. This study was  aquasi-experimental study with 3 x 4 factorial designs. Data analysis used unbalanced two-way ANAVA with a significance level of 5%. The study population was a tenth grade student of State SMA in Ponorogo in academic year of 2013/2014. Sampling was done by stratified cluster random sampling technique. The study sample consisted of students in 3 schools namely SMA Negeri 3 Ponorogo, SMA Negeri 1 Kauman, and SMA Negeri 1 Balong with a sample size of 275 students.. The results of the research are as follows. (1) The students instructed with TAI had learning achievement as good as GI, those with TAI had learning achievement better than those with direct instruction, while those GI had learning achievement as good as those with direct instruction. (2)The students with the converger learning style had learning achievement as good as those with the diverger learning style, the students with the converger learning style had learning achievement better than those with the assimilator and accommodator learning style, the students with the diverger, assimilator, and   accommodator learning style had a same learning achievement. (3) In each learning style, the students mathematics learning achievement was in consistency with the result (1); (4) In each learning model, the students mathematics learning achievement was in consistency with the result (2). Keywords: TAI, GI, Direct Instruction, learning styles, and learning achievement
PENGARUH KESIAPAN BELAJAR TERHADAP PRESTASI BELAJAR MAHASISWA PADA PEMBELAJARAN KALKULUS Harmini, Triana
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol 2 No 2 (2017): Mathline
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (294.637 KB) | DOI: 10.31943/mathline.v2i2.42

Abstract

This study aims to determine whether or not a significant relationship between the readiness of learning and students' achievement in Calculus. This study was conducted in the odd semester of the academic year 2016/2017. The population in this study is the students of Informatics Engineering, University of Darussalam Gontor who took calculus course consisting of 50 people. Data collection in this research using questionnaire and documentation method.The research instruments used are questionnaire.  Techniques of analysis data  used are Product Moment correlation and simple linear regression analysis with prerequisite analyses those are normality and linearity test applied to know the influence of readiness study toward the students' achievement in Calculus course. The analysis result of Product Moment correlation show that the coefficient of readiness is 0.808 with significance score 0,00. This means that there is a positive and significant correlation between the readiness of learning and the students' achievement in the Calculus course. While the results of Linear Regression analysis shows that determination coefficient is 0.652. It means that the readiness of study gives an effect of 65,2% on the students' achievement in Calculus course.
The effect of the use of Differentiated Instruction-Based Module on students’ learning motivation Harmini, Triana; Effendi, Lukman
Unnes Journal of Mathematics Education Vol 7 No 3 (2018): Unnes Journal of Mathematics Education
Publisher : Department of Mathematics, Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/ujme.v7i3.26764

Abstract

The use of modules as teaching materials in the learning process is very important in order to improve the learning outcomes. The differentiated instruction based module is a learning module that differentiates instruction based on the differences of students ability level. Thereupon, the objectives of this study were: (1) to find out the differences of students' mathematics learning motivation before and after the use of differentiated instruction-based module, (2) to determine the effect of using differentiated instruction-based learning module on students’ mathematics learning motivation. This study used a quantitative approach and mathematics learning motivation questionnaire as the technique of collecting data. Also, to analyze the data this study used the T-Test (paired Samples T-Test) with the prerequisite of analysis, namely the normality and homogeneity test. Eventually, the results of analysis prerequisite analysis showed that both data were normally distributed and homogeneous. Meanwhile, the results of the t-test showed that there were significant differences between students’ mathematics learning motivation before and after the use of the differentiated instruction based learning module.