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Steinmayr, Ricarda; Beauducel, Andre; Spinath, Birgit – Intelligence, 2010
Recently, different methodological approaches have been discussed as an explanation for inconsistencies in studies investigating sex differences in different intelligences. The present study investigates sex differences in manifest sum scores, factor score estimates, and latent verbal, numerical, figural intelligence, as well as fluid and…
Descriptors: Intelligence, Intelligence Tests, Factor Analysis, Effect Size
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Cohen, Ronald L.; Heath, Michele – Intelligence, 1990
The working memory hypothesis that the development of span in children is related to increasing proficiency in the use of an articulatory loop was tested in two studies with 120 Canadian children in grades 5 and 6 and 11 and 12. Some support was found for the hypothesis. (SLD)
Descriptors: Child Development, Children, Cognitive Development, Cognitive Processes