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"The results of research on the effectiveness of four alternative instructional media are reviewed: traditional classroom instruction, instructional radio, instructional television, programed instruction, and computer-assisted instruction (CAI). It was concluded that students learn effectively from ... more
"The research underlying these case studies was done by the International Institute for Educational Planning in 1965-66 under a contract with the United States Agenciy for International Development, which gave the Institute full freedom of research and the right to publish its findings for general i ... more