Research byte: WISC-IV CHC-->math achievement study

A very interesting study that supports the cautions outlined by myself and Wendling (McGrew & Wendling, 2010) that the extant CHC cognitive-achievement relations research completed during the past 20 years consists primarily of studies conducted with the WJ-R and WJ-III (94 %) and that generalization of the COG-ACH conclusions to other instruments are not established and should only be undertaken with significant caution.
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