Pengembangan E-LAPD Berbasis Problem Based Learning Guna Melatihkan Keterampilan Problem Solving Peserta Didik Pada Materi Laju Reaksi

Development of E-LAPD Based on Problem Based Learning to Train Students' Problem Solving Skills on Reaction Rate Material

Penelitian ini bertujuan untuk mengembangkan media pembelajaran elektronik berupa E-LAPD (Lembar Aktivitas Peserta Didik Elektronik) berbasis Problem Based Learning (PBL) guna melatihkan keterampilan problem solving peserta didik pada materi laju reaksi. Penelitian ini merupakan R&D dengan model ADDIE tanpa tahap implementasi. Data diperoleh melalui lembar telaah, lembar validasi, lembar angket respon, lembar observasi aktivitas, lembar pretest-posttest keterampilan dan lembar posttest pengetahuan. Analisis validitas dilakukan menggunakan median berdasarkan Skala Likert pada lembar validasi. Analisis kepraktisan dilakukan menggunakan persentase berdasarkan Skala Guttman pada angket respon, sedangkan observasi aktivitas menggunakan persentase pada tiap pertemuan. Untuk mengetahui efektivitas, digunakan analisis N-Gain terhadap hasil pretest dan posttest keterampilan. Hasil penelitian menunjukkan bahwa E-LAPD yang dikembangkan memenuhi kriteria valid dengan skor rata-rata validasi isi dan konstruk sebesar 4 dalam kategori baik. E-LAPD dinyatakan praktis ditinjau dari hasil angket respon dan lembar observasi dengan persentase 95,56%. E-LAPD dinyatakan efektif dalam melatihkan keterampilan problem solving yang dibuktikan oleh rata-rata nilai N-Gain sebesar 0,83 dalam kategori tinggi. Dengan demikian, E-LAPD berbasis PBL layak digunakan sebagai media pembelajaran dalam meningkatkan keterampilan problem solving pada materi laju reaksi.

Kata Kunci: Lembar Aktivitas Peserta Didik Elektronik, Problem Based Learning, Keterampilan Problem Solving, Laju Reaksi

This study aims to develop an electronic learning media in the form of an Electronic Student Activity Sheet (E-LAPD) based on Problem Based Learning (PBL) to improve students' problem-solving skills in the topic of reaction rates. The research is a Research and Development (R&D) study using the ADDIE model without the implementation phase. Data were collected through review sheets, validation sheets, response questionnaires, activity observation sheets, pretest-posttest skill sheets, and posttest knowledge sheets. Validity analysis was conducted using the median based on the Likert scale from the validation sheets. Practicality analysis was performed using percentages based on the Guttman scale from the response questionnaires, while activity observations were analyzed by percentage for each meeting. To determine effectiveness, N-Gain analysis was applied to the pretest and posttest skill results. The findings indicate that the developed E-LAPD meets validity criteria with an average content and construct validation score of 4, categorized as good. The E-LAPD is considered practical based on a 95.56% response rate from questionnaires and observation sheets. Furthermore, the E-LAPD is effective in training problem-solving skills, evidenced by an average N-Gain score of 0.83, classified as high. Therefore, the PBL-based E-LAPD is suitable for use as a learning media to enhance problem-solving skills on the reaction rate material.

Keywords: Electronic Student Activity Sheet, Problem Based Learning, Problem Solving Skills, Reaction Rate