※注1 引用したデータはすべて,National Center for Education Statistics゛Internet Access in U.S.Public Schools and Class-rooms: 1994-99″(Feb,2000),゛Teacher Use of Computers and the Internet in Public Schools″(April,2000)による。
※注2 The Congnition & Technology Group at Vanderbilt(1997) The Jasper project: Lessons in curriculum,instruction,assessment,and professional development. Mahwah,NJ:Lawrence Erlbaum.