CD Tesis
Pengembangan Lembar Kegiatan Peserta Didik Kesetimbangan Kimia Berbasis Inkuiri Terbimbing Dengan Pendekatan Lesson Study Untuk Meningkatkan Kemampuan Berpikir Kritis Peserta Didik Di SMA/MA
One of teaching materials which can be enhance critical thinking skill students in chemical equilibrium is student worksheet based on guided inquiry. Student worksheet was created by using guided inquiry stages. It consisted of orientation, exploration, concept formation, application, and closing. It was also designed with the lesson study approach through three stages, namely plan, do and see. This study aimed to produce student worksheet which were tested for its validity and practicality and the effectiveness so that it could be used in the learning process for chemical equilibrium materials. The type of this research was Research and Development (R & D) with 4D development model consisting of define, design, develop, and disseminate stages. Validity test was conducted by three validators by using student worksheet validity components in forms of content, construct, graphics, and language. Validity analysis result showed that moment kappa value is 0.84, which can be categorized as very high. The results of the practicality test based on the teachers response questionnaire showed a practical value of 0.89 which is in the very high category. The results of the practicality test based on the students response found a value of 0.84 with very high category. From effectiveness test, gain score of student’s from the results critical thinking skills before and after using worksheet in learning is 078, which can be categorized as medium. Through lesson study learning becomes better at each meeting with an increase in the average value of students. These results indicated that guided inquiry-based student worksheet with lesson study approach can be used in the chemistry learning process for chemical equilibrium material.
Kata kunci: Guided inquiry based worksheet, chemical equilibrium, validity test, practicality test, effectiveness test, Lesson Study, Critical Thinking Skill
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