Pembelajaran dengan Model Group Investigation
Model pembelajaran kooperatif tipe GI (Group Investigation) dikembangkan oleh Shlomo dan Yael Sharan di Universitas Tel Aviv. Stahl (1999: 257-258) menyebutkan bahwa: group investigationin particular encourages students’ initiative and responsibility for their work, as individuals, as members of study groups, and as members of an entire class. The investigation combines independent study as weel as work in pairs and in small groups (from three to five students). When they complete their search, groups integrate and summarize their findings and decide how to present the essence of their work to their classmates. Makna dari pendapat Stahl di atas menyatakan bahwa dalam investigasi kelompok siswa diberikan tanggung jawab terhadap pekerjaan mereka, baik secara individu, berpasangan maupun dalam kelompok. Setiap kelompok investigasi terdiri dari 3-5 orang, dan akhirnya siswa dapat menggabungkan, mempersentasikan dan mengikhtisarkan jawaban mereka. Pelaksanaan investigasi kelompok menuru