%A NIM.: 20104050041 Retno Putri Anggraeni %O Pembimbing: Puspo Rohmi, M.Pd. %T PENGARUH MODEL PEMBELAJARAN PROJECT BASED LEARNING (PJBL) TERHADAP KETERAMPILAN BERPIKIR KRITIS DAN KREATIF PESERTA DIDIK PADA MATERI GELOMBANG CAHAYA %X The use of learning models that are still teacher-centered can result in a lack of stimulation for students to optimize their critical and creative thinking skills. This research aims to determine the effect of the project-based learning (PjBL) model and the extent of its influence on critical and creative thinking skills in the context of light wave material. This research is a type of quasi-experimental study with a post-test only control design. The sampling in this study was conducted using purposive sampling. This research involved 67 students from the XI MIPA class at a school in Sleman Regency. Data collection was carried out using a critical thinking test consisting of 6 essay questions representing 5 indicators, and a creative thinking test consisting of 4 essay questions representing 4 indicators. The hypothesis test used in this study is the independent sample t-test. In critical thinking skills, a significance value (2-tailed) of 0.000 was obtained, and creative thinking skills showed a significance value (2-tailed) of 0.000. Based on these results, it can be stated that the null hypothesis ( %K Model Pembelajaran, Project Based Learning, Keterampilan Berpikir Kritis, Keterampilan Berpikir Kreatif %D 2024 %I UIN SUNAN KALIJAGA YOGYAKARTA %L digilib68723