PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK (LKPD) KIMIA BERBASIS PROBLEM BASED LEARNING MATERI KELARUTAN DAN HASIL KALI KELARUTAN KELAS XI SMA
Daftar Isi:
- This research was development research aimed to produce a valid, practical and efficient student’s worksheet based on the problem-based learning model of the solubility and solubility product topic in SMA Negeri 1 Inderalaya. The development research model used was the ADDIE development model modified with Tessmer formative evaluation. Data collection Techniques used in this study were walkthrough, questionnaires, and test. The results of this research showed the validation test of the content was 0.82 of Aiken’s coefficient score, which categorized as high. And the Kappa coefficient value of 0.675 which categorized as good. The pedagogical validity test was at 0.83 with a high category and the Kappa coefficient value of 0.78 with the good categories. The design validity test was 0.92 with the high category and the kappa coefficient value of 0.741 with the good category. The Cronbach’s Alpha obtained from one to one phase was 0.788 with a high category, and Cronbach's Alpha obtained from small group phase was 0.703 with a high category. The results of the field test stage obtained from the normalized n-gain value were 0.85 with the high category. The result of this research was a student’s worksheet based on problem-based learning on solubility and solubility product topic that has met the criteria in term of validity, practicality, and effectiveness.