ERIC Number: EJ232667
Record Type: Journal
Publication Date: 1980-Sep
Pages: N/A
Abstractor: N/A
ISBN: N/A
ISSN: N/A
EISSN: 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)
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A
