Higher-Order Factor Structure of the Differential Ability Scales-II: Consistency across Ages 4 to 17

Autor/inn/en	Keith, Timothy Z.; Low, Justin A.; Reynolds, Matthew R.; Patel, Puja G.; Ridley, Kristen P.
Titel	Higher-Order Factor Structure of the Differential Ability Scales-II: Consistency across Ages 4 to 17
Quelle	In: Psychology in the Schools, 47 (2010) 7, S.676-697 (22 Seiten)Infoseite zur Zeitschrift PDF als Volltext Verfügbarkeit
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	0033-3085
DOI	10.1002/pits.20498
Schlagwörter	Factor Structure; Cognitive Ability; Cognitive Tests; Theories; Children; Adolescents; Test Reliability + Suchen Sie Ihr Suchwort? Faktorenstruktur; Denkfähigkeit; Kognitiver Fähigkeitstest; Theory; Theorie; Child; Kind; Kinder; Adolescent; Adolescence; Adoleszenz; Jugend; Jugendalter; Jugendlicher; Testreliabilität
Abstract	The recently published second edition of the Differential Abilities Scale (DAS-II) is designed to measure multiple broad and general abilities from Cattell-Horn-Carroll (CHC) theory. Although the technical manual presents information supporting the test's structure, additional research is needed to determine the constructs measured by the test and the consistency of measurement across ages. The purposes of this research were to determine whether the DAS-II measures the CHC abilities it is designed to measure and whether it does so consistently across the 4 to 17 year age span. We analyzed competing higher-order CFA models using 800 participants, ages 5 through 8, from the DAS-II standardization. The final validation model from this series of analyses tested for factor invariance across the 4 to 17 year age span by using a reference variable approach. Our findings supported the DAS-II's intended structure, with minor exceptions. Findings also supported the invariance of the DAS-II CHC model across the 4 to 17 year age span, again with minor exceptions. Despite the use of different tests at different ages, the DAS-II measures a consistent set of CHC abilities across the ages: "g," "Gc," "Gf," "Gv," "Gsm," "Gs", and a narrow "Glr" ability; psychologists should interpret the DAS-II as measuring these abilities. (Contains 7 tables, 3 figures, and 5 footnotes.) (As Provided).
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Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2017/4/10