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Concurrent and Predictive Validity of the Raven Progressive Matrices and the Naglieri Nonverbal Ability Test

^* To whom correspondence should be addressed. E-mail: g.balboni{at}univda.it.

	Abstract

The concurrent and predictive validities of the Naglieri Nonverbal Ability Test (NNAT) and Raven’s Colored Progressive Matrices (CPM) were investigated in a large group of Italian third- and fifth-grade students with different sociocultural levels evaluated at the beginning and end of the school year. CPM and NNAT scores were related to math and reading comprehension tests.The CPM and NNAT concurrent and predictive validity coefficients were moderate,and there were no differences between concurrent and predictive validities with reading scores.The mutual incremental concurrent validity of the NNAT with the math test was significantly higher than the corresponding CPM validity. Finally, via step-down hierarchical regression analysis, the authors found that the predictive validity of both nonverbal tests is independent from the participants’ sociocultural level.These two relatively simple nonverbal tests are commonly used to assess general ability;however,the present study shows that they can also provide useful information for predicting the academic performance of students with different sociocultural levels.

First published on August 25, 2009
Journal of Psychoeducational Assessment 2009, doi:10.1177/0734282909343763


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