Methods of pretesting viewer involvement with ITV program contents are briefly reviewed in terms of their precision, immediacy, unobtrusiveness and relationship to learning. A behavioral system for pretesting programs is described and discussed prior to reporting its use. Results of its application indicated ready utility with elementary school aged children and preliminary evidence of its ability to predict learning from viewer involvement in a test program. The implications of the findings for further study of the system and its use in ITV production are discussed.
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