Estimating Means via Multiple Matrix Sampling: A Note on the Effects of Selected Data Base Characteristics.

Forsyth, Robert A.

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Peer reviewed

ERIC Number: EJ145576

Record Type: Journal

Publication Date: 1976

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Estimating Means via Multiple Matrix Sampling: A Note on the Effects of Selected Data Base Characteristics

Forsyth, Robert A.

Educational and Psychological Measurement, 36, 2, 275-82, Sum 76

Shoemaker's conclusions related to the influence of various data base characteristics (reliability, variability of item difficulty indices, and degree of skewness in the normative distribution) on the standard error of a mean estimated via multiple matrix sampling procedures are examined. (Author/RC)

Descriptors: Item Sampling, Statistical Analysis, Test Reliability

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