PENERAPAN MODEL PROJECT BASED LEARNING DALAM MENINGKATKAN KETERAMPILAN BERPIKIR KRITIS, KOLABORASI, DAN HASIL PRODUK SOLAR OVEN PESERTA DIDIK KELAS IV SEKOLAH DASAR DI KECAMATAN RANCASARI KOTA BANDUNG

Abstract

This study aims to analyze the application of Project-based learning (PjBL) model
in improving critical thinking skills, collaboration, and product results solar oven of
fourth grade elementary school students in IPAS subjects with the theme of
Energy Sources. The research used a quasi experiment method, where learners
were divided into two groups: the experimental class (project-based learning
model) and the learning model applied to the control class. The research subjects
were 34 students from SD Negeri 263 Rancaloa (experimental class) and 30
students from SD Negeri 131 Cijawura (control class). The results showed a
significant increase in critical thinking skills in the experimental class compared to
the control class. The average difference between pretest and posttest scores in
the experimental class was 21.17, while the control class was only 17.33, with a
significance value of 0.000 (<0.05). In addition, collaboration skills in the
experimental class showed the majority of students (73.5%) were in the moderate
to very high category, while in the control class the majority of students (53.3%)
were in the low to very low category. The learners final products in the
experimental class also showed better quality. Three groups were in the high
category, two groups in the medium category, and one group in the low category.
Factors such as material understanding, creativity, and coordination between
members affect the quality of the products produced. From the results of the
analysis, the application of the Project-based learning model proved effective in
improving students critical thinking skills, collaboration, and product quality.