THE DEVELOPMENT AND APPLICATION OF A NEW METHOD TO TEST THE RELATIVE EFFECTIVENESS OF SPECIFIC VISUAL PRODUCTION TECHNIQUES FOR INSTRUCTIONAL TELEVISION / MARTIN T. COBIN and CHARLES J. MCINTYRE.

A METHODOLOGICAL STUDY WAS CONDUCTED WHICH HAD AS ITS PRINCIPAL OBJECTIVES--(1) DEVELOPMENT OF A RELATIVELY SIMPLE, EFFECTIVE, AND ECONOMICAL WAY TO EVALUATE SPECIFIC (TELEVISION) VISUAL TECHNIQUES, AND (2) TEST THE METHOD IN A VARIETY OF SITUATIONS. A TWO CAMERA CLOSED-CIRCUIT TELEVISION SYSTEM WAS MODIFIED SO THAT THE OUTPUT OF THE TWO CAMERAS COULD BE FED TO ALL OF THE RECEIVERS ON THE CIRCUIT, OR AT THE WILL OF THE EXPERIMENTERS, BE DIVIDED SO THAT THE OUTPUT OF ONE CAMERA WENT TO ONE GROUP WHILE THE OUTPUT OF THE OTHER CAMERA WENT TO ANOTHER GROUP OF RECEIVERS. THE TELEVISION PRESENTATIONS WERE INTEGRATED WITH ONGOING CURRICULAR INSTRUCTION IN A COURSE INVOLVING 12 LESSONS IN EACH OF 2 SEMESTERS. THERE WERE APPROXIMATELY 300 STUDENTS INCLUDED IN A SERIES OF 26 EXPERIMENTS. SIGNIFICANT DIFFERENCES WERE DISCERNED WHICH HAVE IMPLICATIONS FOR TELEVISION PRODUCTION AND FOR FURTHER RESEARCH. THE METHOD DEVELOPED APPEARED USEFUL AS A RESEARCH TOOL FOR THE INVESTIGATION OF SELECTED VARIABLES WITHIN ITS RANGE OF SENSITIVITY. (JC)

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