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Steedle, Jeffrey T.; Cho, Young Woo; Wang, Shichao; Arthur, Ann M.; Li, Dongmei – Educational Measurement: Issues and Practice, 2022
As testing programs transition from paper to online testing, they must study mode comparability to support the exchangeability of scores from different testing modes. To that end, a series of three mode comparability studies was conducted during the 2019-2020 academic year with examinees randomly assigned to take the ACT college admissions exam on…
Descriptors: College Entrance Examinations, Computer Assisted Testing, Scores, Test Format
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Kato, Kentaro; Moen, Ross E.; Thurlow, Martha L. – Educational Measurement: Issues and Practice, 2009
Large data sets from a state reading assessment for third and fifth graders were analyzed to examine differential item functioning (DIF), differential distractor functioning (DDF), and differential omission frequency (DOF) between students with particular categories of disabilities (speech/language impairments, learning disabilities, and emotional…
Descriptors: Learning Disabilities, Language Impairments, Behavior Disorders, Affective Behavior
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Sykes, Robert C.; Ito, Kyoko; Wang, Zhen – Educational Measurement: Issues and Practice, 2008
Student responses to a large number of constructed response items in three Math and three Reading tests were scored on two occasions using three ways of assigning raters: single reader scoring, a different reader for each response (item-specific), and three readers each scoring a rater item block (RIB) containing approximately one-third of a…
Descriptors: Test Items, Mathematics Tests, Reading Tests, Scoring