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| Achievement Tests | 1 |
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| Equated Scores | 1 |
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| Kolen, Michael J. | 1 |
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Download full textKolen, Michael J. – 1980
Results from equipercentile, linear, and latent trait equating of the vocabulary and quantitative thinking tests of the Iowa Tests of Educational Development were compared. The study entailed both the equating of forms (of similar difficulty) and the equating of levels (of differing difficulty). The goal was to equate seventh edition tests to…
Descriptors: Achievement Tests, Difficulty Level, Equated Scores, Guessing (Tests)
