Normative data on Progressive Matrices (1947).

Abstract
The Progressive Matrices devised by Raven were administered by means of slides to 1,214 school children between the ages of 6-0 and 12-5 years. Scores on the Progressive Matrices correlated to about the same degree with intelligence tests which stress verbal elements as those which stress non-verbal aspects. "Therefore, it would appear that the Progressive Matrices cannot be thought of as a test of nonverbal reasoning ability but instead should be considered as a test of fairly complex intellectual reasoning processes." (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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