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Reply to "CogAT score is here"
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[quote=Anonymous][quote=Anonymous][quote=Anonymous]^ WISC and most other IQ tests use a standard deviation of 15. CogAT and NnAT use a standard deviation of 16. [/quote] That makes a difference definitely, but this year's NNAT was abnormal as compared to previous year NNATs. You can almost track on this board what NNAT/COGATs were for several years and the scores of this Spring's NNAT are off kilter. [/quote] In general, the NNAT is not a well-normed test. There are too many extreme scores at both ends of the spectrum. A somewhat dated but interesting article about this here: [url]https://www.hmhco.com/~/media/sites/home/hmh-assessments/assessments/cogat/pdf/cogat-cognitively-speaking-v6-winter-2008.pdf?la=en[/url][/quote]
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