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All Journal Jurnal Bioterdidik: Wahana Ekspresi Ilmiah
Yayang Permata Putri
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Agriculture, Biological Sciences & Forestry

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PENGARUH MODEL PROBLEM BASED LEARNING (PBL) TERHADAP KEMAMPUAN PEMECAHAN MASALAH (KPM) OLEH SISWA Yayang Permata Putri; Tri Jalmo; Pramudiyanti Pramudiyanti
Jurnal Bioterdidik: Wahana Ekspresi Ilmiah Vol 1, No 4 (2013): bioterdidik
Publisher : Universitas Lampung

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Abstract

Problem-solving skill is a thinking skill that must be developed in junior high school. Classroom observations from VII grade Junior High School 2 Waylima shows that problem-solving skill is still low. This study aimed to determine the effect of PBL models in improving problem solving skill. This study design is non equivalent pretest posttest group. Samples was VIIID and VIIIE grades selected by purposive sampling. This research data in the form of quantitative and qualitative data. Quantitative data obtained from the average value of pretest, posttest and N-gain was analyzed using t-test and U test. Qualitative data in the form of descriptions of student learning activities, and questionnaire responses. The results showed that PBL model can improve problem-solving skill by students with average score of pretest (50.64); posttest (75.32), and N-gain (0,50). Learning activity also increase with an average of 86.45%. In addition, most students responded positively with used of PBL models. Thus, it can be concluded that the used of PBL model significantly affect problem-solving skill in the influence of human population density toward evironment subject matter. Kata kunci: aktivitas belajar siswa, kemampuan pemecahan masalah, kepadatan populasi manusia, lingkungan, model PBL
Co-Authors Pramudiyanti Pramudiyanti Tri Jalmo