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ERIC Number: EJ233321
Record Type: Journal
Publication Date: 1980
Pages: N/A
Abstractor: N/A
ISBN: N/A
ISSN: N/A
EISSN: N/A
Item Intercorrelations, Item-Test Correlations, and Test Reliability.
Silverstein, A. B.
Educational and Psychological Measurement, v40 n2 p353-55 Sum 1980
An alternative derivation was given of Gaylord's formulas showing the relationships among the average item intercorrelation, the average item-test correlation, and test reliability. Certain parallels were also noted in analysis of variance and principal component analysis. (Author)
Descriptors: Analysis of Variance, Item Analysis, Mathematical Formulas, Test Reliability
Publication Type: Journal Articles; Guides - Non-Classroom; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A