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ERIC Number: EJ863230
Record Type: Journal
Publication Date: 2009
Pages: 19
Abstractor: As Provided
Reference Count: 68
ISBN: N/A
ISSN: ISSN-0013-1644
Item Parameter Invariance of the Kaufman Adolescent and Adult Intelligence Test across Male and Female Samples
Immekus, Jason C.; Maller, Susan J.
Educational and Psychological Measurement, v69 n6 p994-1012 2009
The Kaufman Adolescent and Adult Intelligence Test (KAIT[TM]) is an individually administered test of intelligence for individuals ranging in age from 11 to 85+ years. The item response theory-likelihood ratio procedure, based on the two-parameter logistic model, was used to detect differential item functioning (DIF) in the KAIT across males and females in the standardization sample. Root mean squared differences and item parameter differences were used to indicate the magnitude of DIF and identify which group the item parameter favored. A "z" test of proportion differences was conducted to determine if the number of parameters exhibiting gender DIF exceeded the number expected by chance, estimated by randomly dividing the sample in half and repeating the analyses. Of the 176 item parameters examined, 42 (24%) lacked invariance, with most items reporting uniform DIF. Implications for test score interpretation and future research are discussed. (Contains 7 tables.)
SAGE Publications. 2455 Teller Road, Thousand Oaks, CA 91320. Tel: 800-818-7243; Tel: 805-499-9774; Fax: 800-583-2665; e-mail: journals@sagepub.com; Web site: http://sagepub.com
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Assessments and Surveys: Kaufman Adolescent and Adult Intelligence Test