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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
Rojahn, Johannes; Naglieri, Jack A. – Intelligence, 2006
Lynn [Lynn, R., 2002. Sex differences on the progressive matrices among 15-16 year olds: some data from South Africa. "Personality and Individual Differences 33," 669-673.] proposed that biologically based developmental sex differences produce different IQ trajectories across childhood and adolescence. To test this theory we analyzed the…
Descriptors: Gender Differences, Nonverbal Ability, Intelligence Quotient, Children
Naglieri, Jack A.; Ford, Donna Y. – Gifted Child Quarterly, 2005
In a previous article, we (Naglieri & Ford, 2003) provided evidence from a large-scale study that similar proportions of White, Black, and Hispanic children would be identified as gifted using the Naglieri Nonverbal Ability Test (NNAT; Naglieri, 1997). Lohman (2005) has taken issue with our conclusions and our methods. We provide several…
Descriptors: Minority Group Children, Academically Gifted, Disproportionate Representation, Racial Differences
Peer reviewedNaglieri, Jack A.; Ford, Donna Y. – Gifted Child Quarterly, 2003
This study examined the effectiveness of the Naglieri Nonverbal Ability Test (NNAT) in identifying gifted black and Hispanic students in a total population of 20,270 students (K-12). Analysis indicated that similar percentages of white (5.6%), black (5.1%), and Hispanic (4.4%) children earned an NNAT score in the 95th percentile rank. (Contains…
Descriptors: Ability Identification, Black Students, Culture Fair Tests, Elementary Secondary Education
