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Traditional vs Intersectional DIF Analysis: Considerations and a Comparison Using State Testing Data
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Tony Albano; Brian F. French; Thao Thu Vo – Applied Measurement in Education, 2024
Recent research has demonstrated an intersectional approach to the study of differential item functioning (DIF). This approach expands DIF to account for the interactions between what have traditionally been treated as separate grouping variables. In this paper, we compare traditional and intersectional DIF analyses using data from a state testing…
Descriptors: Test Items, Item Analysis, Data Use, Standardized Tests
Item Position and Item Difficulty Change in an IRT-Based Common Item Equating Design
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Meyers, Jason L.; Miller, G. Edward; Way, Walter D. – Applied Measurement in Education, 2009
In operational testing programs using item response theory (IRT), item parameter invariance is threatened when an item appears in a different location on the live test than it did when it was field tested. This study utilizes data from a large state's assessments to model change in Rasch item difficulty (RID) as a function of item position change,…
Descriptors: Test Items, Test Content, Testing Programs, Simulation
Using Cluster Analysis To Facilitate Standard Setting.
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Sireci, Stephen G.; Robin, Frederic; Patelis, Thanos – Applied Measurement in Education, 1999
Presents a procedure for standard setting that involves the cluster analysis of test takers to discover examinee groups that are useful for envisioning marginally competent performance or defining borderline or contrasting groups. Illustrates use of the procedure with a statewide mathematics test, and concludes that cluster analysis is useful in…
Descriptors: Cluster Analysis, Mathematics Tests, Standard Setting (Scoring), Standards
Comparing DIF across Math and Reading/Language Arts Tests for Students Receiving a Read-Aloud Accommodation
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Bolt, Sara E.; Ysseldyke, James E. – Applied Measurement in Education, 2006
Although testing accommodations are commonly provided to students with disabilities within large-scale testing programs, research findings on how well accommodations allow for comparable measurement of student knowledge and skill remain inconclusive. The purpose of this study was to examine the extent to which 1 commonly held belief about testing…
Descriptors: Oral Reading, Testing Accommodations, Disabilities, Special Needs Students
The Reliability of Mathematics Portfolio Scores: Lessons from the Vermont Experience.
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Klein, Stephen P.; And Others – Applied Measurement in Education, 1995
Portfolios are the centerpiece of Vermont's statewide assessment program in mathematics. Portfolio scores in the first two years were not reliable enough to permit the reporting of student-level results, but increasing the number of readers or the number of portfolio pieces is not operationally feasible. (SLD)
Descriptors: Educational Assessment, Elementary Secondary Education, Mathematics Tests, Performance Based Assessment
Linking Statewide Tests to the National Assessment of Educational Progress: Stability of Results.
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Linn, Robert L.; Kiplinger, Vonda L. – Applied Measurement in Education, 1995
The adequacy of linking statewide standardized test results to the National Assessment of Educational Progress by using equipercentile equating procedures was investigated using statewide mathematics data from four states. Results suggest that the linkings are not sufficiently trustworthy to make comparisons based on the tails of the distribution.…
Descriptors: Comparative Analysis, Educational Assessment, Equated Scores, Mathematics Tests