Some Properties of the Personal Biserial Index.

Fischer, Frederick E.

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Peer reviewed

ERIC Number: EJ030381

Record Type: Journal

Publication Date: 1970

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Some Properties of the Personal Biserial Index

Fischer, Frederick E.

Journal of Educational Measurement, 7, 4, 275-77, W '70

The personalbiserial index is a correlation which measures the relationship between the difficulty of the items in a test for the person, as evidenced by this passes and failures, and the difficulty of the items as evidenced by group-determined item difficulties. Reliability and predictive validity are studiesstudied. (Author/RF)

Descriptors: Guessing (Tests), Item Analysis, Predictive Measurement, Predictor Variables, Testing

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