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ERIC Number: EJ232667
Record Type: CIJE
Publication Date: 1980-Sep
Pages: N/A
Abstractor: N/A
Reference Count: N/A
ISBN: N/A
ISSN: N/A
The Effectiveness Index as a Comparative Measure in Media Product Evaluation.
Goodman, R. Irwin; And Others
Educational Technology, v20 n9 p30-34 Sep 1980
Describes an index for the evaluation of a media product. A pretest measure of an aspect of the product is taken, the audience is exposed to the product, a posttest measure is taken, and the index is computed as a ratio of the difference scores to the total change possible. (MER)
Descriptors: Films, Formative Evaluation, Media Research, Research Design, Research Methodology
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Effectiveness Index