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Pomplun, Mark; Custer, Michael – Journal of Educational Computing Research, 2005
This study investigated the equivalence of scores from computerized and paper-and-pencil formats of a series of K-3 reading screening tests. Concerns about score equivalence on the computerized formats were warranted because of the use of reading passages, computer unfamiliarity of primary school students, and teacher versus computer…
Descriptors: Screening Tests, Reading Tests, Family Income, Factor Analysis
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Pomplun, Mark; Ritchie, Timothy – Journal of Educational Computing Research, 2004
This study investigated the statistical and practical significance of context effects for items randomized within testlets for administration during a series of computerized non-adaptive tests. One hundred and twenty-five items from four primary school reading tests were studied. Logistic regression analyses identified from one to four items for…
Descriptors: Psychometrics, Context Effect, Effect Size, Primary Education