<![CDATA[Penelitian ini bertujuan untuk: (1) menghasilkan perangkat pembelajaran berbasis Problem-Based Learning yang layak digunakan, (2) mengungkapkan efektifitas perangkat pembelajaran yang dihasilkan tersebut dalam meningkatkan kemampuan berpikir kreatif siswa. Penelitian dan pengembangan ini menggunakan model yang dikembangkan oleh Borg dan Gall yang terdiri dari 10 langkah. Penelitian ini dilakukan di SD Piyungan. Subjek uji coba dalam penelitian adalah guru dan siswa kelas tiga. Data dikumpulkan melalui wawancara, angket validasi, angket respon, tes kemampuan berpikir kreatif, dan dianalisis menggunakan independent t-test dan paired sample t-test dengan tingkat signifikansi 0,05. Hasil penelitian ini menunjukkan bahwa (1) berdasarkan penilaian ahli, silabus dengan rerata skor 4,3, rencana pelaksanaan pembelajaran dengan rerata skor 4,5, lembar kerja siswa dengan rerata skor 4,6, dan buku ajardengan rerata skor 4,4 masuk dalam kategori sangat layak. Instrument penilaian dengan rerata skor 4,1 masuk dalam kategori layak. (2) Ada perbedaan yang signifikan terhadap kemampuan berpikir kreatif siswa di kelas eksperimen dengan nilai signifikansi 0,05.Kata kunci:problem-based learning, berpikir kreatif, pemecahan masalah INSTRUCTIONAL KIT BASED ON PROBLEM BASED LEARNING TO IMPROVE CREATIVE THINKING ABILITY IN ELEMENTARY SCHOOLAbstractThis study aims: (1) to develop a suitable instructional kit based on Problem-Based Learning, and (2) to reveal the effectiveness of the develop instructional kit in improving creative thinking ability. This study was research and development using model developed by Borg and Gall consisting of 10 steps. It was conducted at Elementary School Piyungan. The subjects were teachers and grade III students. The data were collected through interviews, questionnaires, and tests and analysed using the independent t-test and paired sample t-test at significance level of 0.05. The result of this study showed that(1) based on expert judgment, the syllabus had a mean score 4.3, the lesson plan had a mean score 4.5, the student worksheet had a mean score 4.6, and the instructional textbook had a mean score 4.4 was in good category while the assessment instruments had a mean score 4.1 was in very good category. There were significant differences of the treatment classes using the product in improving creative thinking ability of students with the score of p0,05.Keywords: problem-based learning, creative thinking, problem solving]]>
