ERIC Number: EJ233321
Record Type: Journal
Publication Date: 1980
Reference Count: 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)
Publication Type: Journal Articles; Guides - Non-Classroom; Reports - Research
Education Level: N/A
Authoring Institution: N/A