Peer reviewedERIC Number: EJ131797
Record Type: Journal
Publication Date: 1975
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Probability Spaces, Hilbert Spaces, and The Axioms of Test Theory
Zimmerman, Donald W.
Psychometrika, 40, 3, 395-412, Sep 75
Classical test theory findings can be derived from the concepts of conditional expectation, conditional independence, and related notions. It is shown that these concepts provide precisely the formalism needed to obtain the classical results with minimal assumptions and with greatest economy in the methods of proof. (RC)
Descriptors: Career Development, Probability, Test Reliability, Test Theory, Test Validity, True Scores
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