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Section Pre-equating in the Presence of Practice Effects

Holland, Paul W.; Thayer, Dorothy T.
Publication Year:
Report Number:
RR-84-07, PSRTR-84-44
ETS Research Report
Document Type:
Page Count:
Subject/Key Words:
Equated Scores, Statistical Analysis, Testing Problems


Section pre-equating (SPE) is a new method for equating tests that was developed in response to test disclosure legislation. It is designed to equate a new test to an old test prior to the actual use of the new test, and makes extensive use of experimental sections of a testing instrument. This paper extends the theory behind SPE to allow for the effects of practice on both the old and the new tests, and gives a unified and generalized account of SPE. (23pp.)

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