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ERIC Number: EJ909954
Record Type: Journal
Publication Date: 2010-Dec
Pages: 8
Abstractor: As Provided
ISSN: ISSN-1077-5315
"I Don't Know" and Multiple Choice Analysis of Pre- and Post-Tests
Spears, Karen; Wilson, Mary
Journal of Extension, v48 n6 Article 6TOT2 Dec 2010
Evaluation is an essential component of any Extension education program. One tool, the pre- and post-test, provides measurable evaluation data. Yet often the answer "I don't know" or all possible answers to a multiple choice question are not included in the repeated measure analysis. Because more than two answers are offered, the test of marginal homogeneity repeated measure analysis should be used, which takes into account all response sets when comparing a participant's pre- and post-test answers. This article provides an example of conducting and interpreting the test of marginal homogeneity. (Contains 6 tables.)
Extension Journal, Inc. e-mail:; Web site:
Publication Type: Journal Articles; Reports - Evaluative
Education Level: Middle Schools
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A