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Naglieri, Jack A.; Taddei, Stefano; Williams, Kevin M. – Psychological Assessment, 2013
This study examined Italian and U.S. children's performance on the English and Italian versions, respectively, of the Cognitive Assessment System (CAS; Naglieri & Conway, 2009; Naglieri & Das, 1997), a test based on a neurocognitive theory of intelligence entitled PASS (Planning, Attention, Simultaneous, and Successive; Naglieri & Das,…
Descriptors: Factor Analysis, Children, Adolescents, Cognitive Tests
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D'Amico, Antonella; Cardaci, Maurizio; Di Nuovo, Santo; Naglieri, Jack A. – Learning and Individual Differences, 2012
Lynn (2010a, 2010b) argued that individuals from south Italy have a lower IQ than individuals from north Italy, and that these differences in IQ are at the basis of north-south gap in income, education, infant mortality, stature, and literacy. In the present paper, we discuss several theoretical and methodological aspects which we regard as flaws…
Descriptors: Intelligence, Intelligence Quotient, Foreign Countries, Cognitive Ability
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Goldstein, Sam; Naglieri, Jack A.; Rzepa, Sara; Williams, Kevin M. – Psychology in the Schools, 2012
We examined the interrelationships among symptoms related to autism spectrum disorders (ASD) using a large representative sample and clinical groups of children aged 6 to 11 and youth aged 12 to 18 years rated by parents (N = 1,881) or teachers (N = 2,171). The samples included individuals from the United States and Canada from the standardization…
Descriptors: Validity, Rating Scales, Ethnic Groups, Autism
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Balboni, 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
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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
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Kroesbergen, Evelyn H.; Van Luit, Johannes E. H.; Naglieri, Jack A.; Taddei, Stefano; Franchi, Elena – Journal of Psychoeducational Assessment, 2010
The purpose of this study was to investigate the relation between early mathematical skills and cognitive processing abilities for two samples of children in Italy (N = 40) and the Netherlands (N = 59) who completed both a cognitive test that measures Planning, Attention, Simultaneous, and Successive (PASS) processing and an early mathematical…
Descriptors: Cognitive Tests, Foreign Countries, Cognitive Processes, Cognitive Ability
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Van Luit, Johannes E. H.; Kroesbergen, Evelyn H.; Naglieri, Jack A. – Journal of Learning Disabilities, 2005
This study examined the utility of the Planning, Attention, Simultaneous, Successive (PASS) theory of intelligence as measured by the "Cognitive Assessment System" (CAS) for evaluation of children with attention-deficit/hyperactivity disorder (ADHD). The CAS scores of 51 Dutch children without ADHD were compared to the scores of a group…
Descriptors: Foreign Countries, Evaluation Methods, Hyperactivity, Attention Deficit Disorders
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Kroesbergen, Evelyn H.; Van Luit, Johannes E. H.; Naglieri, Jack A. – Journal of Learning Disabilities, 2003
This study examined relationships between mathematical learning difficulties (MLD) and the planning, attention, simultaneous, successive (PASS) theory of cognitive processing. PASS processes were assessed in 267 Dutch students with MLD. Results indicated students with MLD performed lower than peers on all "Cognitive Assessment System"…
Descriptors: Attention Control, Cognitive Processes, Elementary Secondary Education, Foreign Countries