<![CDATA[Abstract: This study aims to develop a project based pretest posttest assessment of the use of coffee husks. This study used the research and development method of the ADDIE model until the development stage. At the analysis stage, a literature study and a preliminary study were conducted. At the design stage, planning and preparation of an initial draft in the form of a pretest-posttest assessment were carried out. In the development stage, two science education experts validated the suitability of the content and construction of the pretest-posttest assessment with Torrance's creative thinking skills indicator framework. The product of the validation results was then responded to the suitability of the content and construction aspects of creative thinking skills indicators by the three science teachers. The results of expert validation and teacher responses indicated that the pretest posttest assessment instrument product is very suitable to be used to measure students' creative thinking skills in integrated learning based on coffee peel utilization projects.Keywords: pretest posttest assessment, coffee peel utilization projects, creative thinking. Abstrak: Penelitian ini bertujuan untuk mengukur keterampilan berpikir kreatif menggunakan asesmen pretes postes berbasis proyek pemanfaatan kulit kopi. Penelitian ini menggunakan metode penelitian dan pengembangan model ADDIE.Pada tahap analysis dilakukan studi literatur dan studi pendahuluan. Pada tahap desain, dilakukan perencanaan dan penyusunan draft awal dalam bentuk asesmen pretes-postes. Pada tahap develop, dua pakar pendidikan IPA memvalidasi kesesuaian isi dan konstruksi asesmen pretes-postes dengan kerangka indikator keterampilan berpikir kreatif Torrance. Pada tahap implementasi, asesmen diterapkan ke 31 siswa di SMP Al Quran Miftahul Ulum Bukit Kemuning. Implementasi produk kemudian digunakan untuk mengukur keterampilan berpikir kreatif siswa,dan hasil menunjukkan bahwa produk instrumen asesmen pretes-postes sangat cocok digunakan untuk mengukur keterampilan berpikir kreatif siswa dalam pembelajaran terpadu berbasis proyek pemanfaatan kulit kopi.Kata kunci: asesmen pretes postes, proyek kulit kopi, berpikir kreatif.DOI: http://dx.doi.org/10.23960/jpmipa/v23i1.pp13-24]]>
