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Effects of Passage and Item Scrambling on Equating Relationships.

Peer reviewed

Harris, Deborah J. – Applied Psychological Measurement, 1991

Effects of passage and item-scrambling on equipercentile and item-response theory equating were investigated using 2 scrambled versions of the American College Testing Program Assessment for approximately 25,000 examinees. Results indicate that using a base-form conversion table with a scrambled form affects the individual examinee level. (SLD)

Descriptors: College Entrance Examinations, Comparative Testing, Context Effect, Equated Scores

What Can We Learn from State NAEP?

Peer reviewed

Wolf, Richard M. – Educational Measurement: Issues and Practice, 1992

The relevance of state results on tests of the National Assessment of Educational Progress (NAEP) is illustrated with data from the "Digest of Education Statistics--1990" (U.S. Department of Education). Evidence indicates that the contributions of state differences such as economic or demographic differences to NAEP results cannot be…

Descriptors: Comparative Testing, Demography, Economic Factors, Educational Assessment