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Direct linkBalboni, Giulia; Naglieri, Jack A.; Cubelli, Roberto – Journal of Psychoeducational Assessment, 2010
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…
Descriptors: Reading Comprehension, Academic Achievement, Predictive Validity, Nonverbal Tests
Cathers-Schiffman, Teresa A.; Thompson, Marilyn S. – Journal of Psychoeducational Assessment, 2007
The Leiter International Performance Scale-Revised (Leiter-R) and Wechsler Intelligence Scale for Children-Third Edition (WISC-III) scores of 47 English- and 47 Spanish-speaking students were analyzed, and the effects of English language ability on these scores were examined. Leiter-R validity was supported for both language groups. WISC-III…
Descriptors: Spanish Speaking, Intelligence Tests, Language Proficiency, Nonverbal Tests
Hooper, V. Scott; Bell, Sherry Mee – Psychology in the Schools, 2006
One hundred elementary- and middle-school students were administered the Universal Nonverbal Intelligence Test (UNIT; B.A. Bracken & R.S. McCallum, 1998) and the Leiter International Performance Scale-Revised (Leiter-R; G.H. Roid & L.J. Miller, 1997). Correlations between UNIT and Leiter-R scores were statistically significant ( p less…
Descriptors: Measures (Individuals), Validity, Nonverbal Ability, Intelligence Tests
