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Direct linkDorans, Neil J. – Educational Measurement: Issues and Practice, 2012
Views on testing--its purpose and uses and how its data are analyzed--are related to one's perspective on test takers. Test takers can be viewed as learners, examinees, or contestants. I briefly discuss the perspective of test takers as learners. I maintain that much of psychometrics views test takers as examinees. I discuss test takers as a…
Descriptors: Testing, Test Theory, Item Response Theory, Test Reliability
Download full textMapuranga, Raymond; Dorans, Neil J.; Middleton, Kyndra – ETS Research Report Series, 2008
In many practical settings, essentially the same differential item functioning (DIF) procedures have been in use since the late 1980s. Since then, examinee populations have become more heterogeneous, and tests have included more polytomously scored items. This paper summarizes and classifies new DIF methods and procedures that have appeared since…
Descriptors: Test Bias, Educational Development, Evaluation Methods, Statistical Analysis
Peer reviewedDorans, Neil J.; Kulick, Edward – Journal of Educational Measurement, 1986
The standardization method for assessing unexpected differential item performance or differential item functioning is introduced. Findings of five studies are summarized, in which the statistical method of standardization is used to look for unexpected differences in item performance across different subpopulations of the Scholastic Aptitude Test.…
Descriptors: Groups, Item Analysis, Sociometric Techniques, Standardized Tests
Lawrence, Ida M.; Dorans, Neil J. – 1987
Six editions of Scholastic Aptitude Test-Mathematical (SAT-M) were factor analyzed using confirmatory and exploratory methods. Confirmatory factor analyses (using the LISREL VI program) were conducted on correlation matrices among item parcels--sums of scores on a small subset of items. Item parcels were constructed to yield correlation matrices…
Descriptors: College Entrance Examinations, Factor Analysis, Factor Structure, Guessing (Tests)
Peer reviewedLeary, Linda F.; Dorans, Neil J. – Review of Educational Research, 1985
Research on the potential effects of different item arrangement schemes on item statistics is reviewed for three separate periods. Earliest studies investigated the simple main effect of item order on test performance. The late 1960s emphasized interactions between item order and examinees' characteristics. Current concern focuses on item…
Descriptors: Achievement Tests, Aptitude Tests, Item Analysis, Latent Trait Theory
Cascallar, Alicia S.; Dorans, Neil J. – College Entrance Examination Board, 2003
Score linkages between the Verbal and Math sections of the SAT® I: Reasoning Test and the corresponding sections of the new version of a Spanish-language admissions test, the Prueba de Aptitud Academica® (PAA™) were investigated. A bilingual group design was employed. A language proficiency measure (ESLAT) was used to define the bilingual group…
Descriptors: Equated Scores, Spanish, English, Language of Instruction
