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Universal Nonverbal Intelligence Test–Group Abilities Test (UNIT-GAT)

Author(s): Bruce A. Bracken and R. Steve McCallum
Publisher: Pro-Ed USA, 2019


The UNIT-Group Abilities Test (UNIT-GAT) is a nonverbal screener of reasoning (i.e., general cognitive ability). Its theoretical assumptions and developmental aspects are the same as those embedded in the recently revised Universal Nonverbal Intelligence Test—Second Edition (UNIT 2). The UNIT-GAT measures two important interrelated aspects of reasoning—analogic (fluid) and quantitative (crystalized) reasoning.

The UNIT-GAT was designed to be used whenever a fast, reliable, research-based estimate of “general intelligence” is needed. Practitioners will likely use the UNIT-GAT to help identify children, adolescents, and young adults who have cognitive limitations or strengths and to document the degree of those problems or gifts. The language-free nature of the test makes it most appropriate for use with groups that may have difficulty processing the verbal aspects of most cognitive tests in use today.

The UNIT-GAT was standardized using a group of 1,605 individuals representative of the U.S. population. Extensive reliability and validity information is reported in the Examiner's Manual. Validity studies compare UNIT-GAT results with the UNIT2, as well as a variety of tests of intelligence and academic ability. The test provides subtest scaled scores (M = 10, SD = 3), a composite index (M = 100, SD = 15), percentile ranks, descriptive classifications, and age equivalents.

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Author(s): Bruce A. Bracken and R. Steve McCallum