Cognitive Abilities Test

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The Cognitive Abilities Test (CogAT) is a group-administered K–12 assessment intended to estimate students' learned reasoning and problem solving abilities through a battery of verbal, quantitative, and nonverbal test items. The test purports to assess students' acquired reasoning abilities while also predicting achievement scores when administered with the co-normed Iowa Tests. The author of the test is David F. Lohman, professor emeritus at the University of Iowa.

The CogAT is one of several tests used in the United States to help teachers or other school staff make student placement decisions for gifted education programs.[1][2]


Each level of the CogAT includes test batteries with verbal, quantitative, or nonverbal items. Scores are reported separately for each category, and the three batteries may be administered separately.

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  1. ^ Miller, Erin Morris (21 August 2012). "Chapter 6: Being Gifted". In Callahan, Carolyn M.; Hertberg-Davis, Holly L. Fundamentals of Gifted Education: Considering Multiple Perspectives. Routledge. p. 51. ISBN 978-1-136-94643-1. The tests that have been in development the longest, and with the largest research base supporting their reliability and accuracy in predicting school outcomes, are those that measure general intelligence (g) and specific cognitive factors (s) and those that measure achievement in a specific domain of study. Examples include the Wechsler series of intelligence and achievement scales (i.e., Wechsler, 2000, 2009), the Stanford-Binet Intelligence Scales (Roid, 2006), the Woodcock-Johnson series (i.e. Woodcock, McGrew, & Mather, 2001a, 2001b), the Cognitive Abilities Test (CogAT) (Lohman & Hagen, 2001), and the Iowa Tests of Basic Skills (ITBS) (Hoover, Dunbar, & Frisbie, 2005). 
  2. ^ Urbina, Susana (2011). "Chapter 2: Tests of Intelligence". In Sternberg, Robert J.; Kaufman, Scott Barry. The Cambridge Handbook of Intelligence. Cambridge: Cambridge University Press. pp. 20–38, 24. ISBN 9780521739115. Lay summary (9 February 2012). The Otis-Lennon School Ability Test, Eighth Edition (OLSAT8), which is the current version of the Group Intelligence Scale, is still widely used to evaluate cognitive abilities related to success in school from kindergarten to 12th grade. Another contemporary group test designed for the same purpose and population is the Cognitive Abilities Test, Form 6 (CogAT-6). 

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