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Direct linkDemetriou, Andreas; Mouyi, Antigoni; Spanoudis, George – Intelligence, 2008
This study investigated the structure and development of processes involved in "g." One hundred and forty children, about equally drawn among primary school grades 1-6 were examined by four types of Stroop-like speeded tasks addressed to processes of increasing complexity (i.e., speed of processing, perceptual discrimination, perceptual control,…
Descriptors: Children, Elementary School Students, Cognitive Processes, Short Term Memory
Kanaya, Tomoe; Ceci, Stephen J.; Scullin, Matthew H. – Intelligence, 2005
Age differences within the yo-yo trend in IQ, caused when aging norms that produce inflated scores are replaced with new norms, were examined using longitudinal WISC, WISC-R and WISC-III records of students tested for special education services from 10 school districts. Descriptive and individual growth modeling analyses revealed that while the…
Descriptors: Norms, Intelligence Quotient, Age Differences, Trend Analysis
