高等教育ジャーナル─高等教育と生涯学習─ 16(2008) J. Higher Education and Lifelong Learning 16 (2008) 自作クリッカーシステムによる授業 山 田 邦 雅 * 北海道大学大学院理学研究科 Hand-made Clickers in the Classroom Kunimasa Yamada** Graduate School of Science, Hokkaido University Abstract ─ In overseas universities many instructors have begun to use a classroom device commonly called a clicker, which allows students to respond to questions with sm