DEVELOPING PROBLEM-BASED LEARNING STUDENT WORKSHEET ON MATRIX MATERIALS TO IMPROVE GRADE XI NATURAL SCIENCE STUDENTS’ CRITICAL THINKING SKILLS
DOI:
https://doi.org/10.12928/bamme.v4i2.11298Keywords:
LKPD, Matrix, Critical ThinkingAbstract
This research was conducted based on problems obtained from pre-research activities at MAS Taruna Al Quran Yogyakarta. During the pre-research, the researcher obtained information that the learning process tended to be one-way so that student involvement in the learning process was very minimal and the teaching materials used during the learning process were using LKPD from the publisher. The LKPD presents a summary of the material and contains questions that only focus on the students' understanding stage and the LKPD is also not able to improve critical thinking skills. Critical thinking skills of class XI MAS Taruna Al Quran Yogyakarta students based on results pretest what has been done is classified in the medium category, but the interpretation indicators are still in the low category and the inference indicators are still in the medium category. This research aims to develop, determine the level of validity and practicality of LKPD-based Problem Based Learning on matrix material, as well as to improve students' critical thinking skills, especially on interpretation and inference indicators. The development model used in this research is the ADDIE model which has 5 development stages including 1) Analysis, 2) Design, 3) Development, 4) Implementation, and 5) Evaluation. The results of this research are (1) the average result of the media expert assessment is 46 with a very good category; (2) the average result of the material expert assessment is 100 with a very good category; (3) the results of the participant response questionnaire in the small-scale test were 84.4 in the very good category and the average results of the participant response questionnaire in the large-scale test were 90.5 in the very good category; (4) LKPD based Problem Based Learning The developed matrix material has a significant influence in improving critical thinking skills with an increase of 25,3%.
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