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Kratochvil, Daniel W. – 1971
This is one of 21 reports dealing with the developmental history of recent and successful educational products. The report on the Frostig program is based upon: (1) published materials; (2) documents in the files of the developing agency; and (3) interviews with staff who were involved in the product development. All phases in the developmental…
Descriptors: Educational Development, Educational Innovation, Instructional Materials, Material Development