Agung Putra Wijaya, Agung Putra
Prodi Magister Pendidikan Matematika, Pascasarjana, FKIP – UNS

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Journal : Jurnal Pendidikan MIPA

Efektivitas Model Problem Based Learning Ditinjau dari Pemahaman Konsep Matematis Siswa Winarto, Rifan; Asnawati, Rini; Wijaya, Agung Putra
Jurnal Pendidikan MIPA Vol 19, No 1 (2018): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

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The Effectiveness of the Problem Based Learning Model Viewed from the Students' Understanding of Mathematical Concepts. This study aimed to find out the effectiveness of the Problem Based Learning (PBL) model in terms of students' understanding mathematical concepts. The population of this study was all seventh grade students of SMP Negeri 3 Natar in the even semester of the academic year of 2018/2019 as many as 126 students that distributed into four classes. Two classes were randomly taken as samples with one class as the experimental class and one class as the control class. This study used the randomized pretest-posttest control group design. The research data was obtained through a essay test of the comparison. Data analysis of this research used . The results showed the increasing ofstudents’ understanding of mathematical concepts who took PBL was higher than increasing of students’ understanding of mathematical concepts of who took conventional learning, but the proportion of students who had a well-defined mathematical concept was not more than 60% of students who took PBL. Thus, PBL was not effective in terms of students' understanding mathematical concepts.Keywords: effectiveness, understanding mathematical concepts problem based learningDOI: http://dx.doi.org/10.23960/jpmipa/v19i1.pp1-12
Video-Assisted Problem Based Learning Model to Improve Students’ Critical Thinking Skills in Environmental Pollution Maulina, Dina; Priadi, Median Agus; Viyanti, Viyanti; Wijaya, Agung Putra; Ibirilia, Elvira Sesie; Nurhadian, Yardan Permata
Jurnal Pendidikan MIPA Vol 25, No 1 (2024): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

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This study investigated the effect of using a video-assisted problem-based learning model on class VII students' critical thinking abilities on environmental pollution material. This research was conducted using quasi-experimental research design with a non-equivalent control group. The research data were in the form of qualitative data (critical thinking skills) and quantitative (student responses to learning using the video-assisted PBL model). Data analysis used the T-test (p<0.05). The results showed that there was an influence of using the video-assisted PBL model on students' critical thinking skills on environmental pollution material (p<0.05). The indicator for building basic skills obtained the highest average N-gain, namely 0.82 in the very good category. Meanwhile, the results of the student response questionnaire regarding the use of the video-assisted PBL model showed positive student responses with an average score of 89.67% in the very good category.         Keywords: critical thinking skills, PBL, environmental pollution and video. DOI: http://dx.doi.org/10.23960/jpmipa/v25i1.pp486-495
Efektivitas Model Pembelajaran Two Stay Two Stray Ditinjau dari Komunikasi Matematis Siswa Jamila, Atika Jamila; Coesamin, M Coesamin; Wijaya, Agung Putra
Jurnal Pendidikan MIPA Vol 18, No 2 (2017): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

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The Effectiveness of Two Stay Two Stray Model on Students’ Mathematical Communication Skill. This quasi-experimental research aimed to find out the effectiveness of two stay two stray model on students’ mathematical communication skill. The population in this research was all students of grade 7th of SMPN 10 Bandarlampung in academic year of 2018/2019 that consist of 352 students and distributed into eleven classes. Through cluster random sampling technique, VII H consist of 32 students and VII J consist of 32 students were chosen as the research sample. This research used the randomized pretest-posttest control group design. The research data were obtained by the essay test of mathematical communication skill on topic of ratio. Analysis of research data used the Mann-Whitney u test and z test. Based on the results of this research and discussion, it concluded that two stay two straymodel was effective in terms of students’ mathematical communication skill.Keywords: effectiveness, mathematical communication, two stay two stray DOI: http://dx.doi.org/10.23960/jpmipa/v18i2.pp26-37