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Demetriou, 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
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Simpkins, Sandra D.; Parke, Ross D.; Flyr, Mary L.; Wild, Margaret N. – Journal of Early Adolescence, 2006
Similarities between adolescents are often the cornerstone of a friendship; yet researchers know little about the similarities in friends' perceptions of the relationship. In the current study, the authors examine similarities in friends' perceived friendship qualities during the transition into early adolescence (n = 77 third graders, 110 fourth…
Descriptors: Children, Early Adolescents, Friendship, Gender Differences