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Jensen, Arthur R. – Intelligence, 2003
Examined the assumption that Spearman's law acts unsystematically and approximately uniformly for various subtests of cognitive ability in an IQ test battery when high- and low-ability IQ groups are selected. Data from national standardization samples for Wechsler adult and child IQ tests affirm regularities in Spearman's "Law of Diminishing…
Descriptors: Ability, Adults, Children, Cognitive Processes

Reed, T. Edward; Jensen, Arthur R. – Intelligence, 1993
Data are presented on body weight and cranial capacity for 211 young adult male Caucasians (postsecondary students). The data do not support Rushton's claim for a greater weight-adjusted cranial capacity of Mongoloid males. Speed and efficiency of cortical information processing may be more important for intelligence than brain size. (SLD)
Descriptors: Adults, Body Weight, Cognitive Processes, College Students