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| Legg, Sue M. | 1 |
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Download full textLegg, Sue M.; Algina, James – 1986
This paper focuses on the questions which arise as test practitioners monitor score scales derived from latent trait theory. Large scale assessment programs are dynamic and constantly challenge the assumptions and limits of latent trait models. Even though testing programs evolve, test scores must remain reliable indicators of progress.…
Descriptors: Difficulty Level, Educational Assessment, Elementary Secondary Education, Equated Scores
