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Ronnlund, Michael; Carlstedt, Berit; Blomstedt, Yulia; Nilsson, Lars-Goran; Weinehall, Lars – Intelligence, 2013
We investigated time-related patterns in levels of cognitive performance during the period from 1970 to 1993 based on data from Swedish draft boards. The conscripts, including more than a million 18-19-year old men, had taken one of two versions of the Swedish enlistment battery (SEB67; 1970-1979 or SEB80; 1980-1993), each composed of four…
Descriptors: Cognitive Development, Test Items, Foreign Countries, Intelligence Tests
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Kazi, Smaragda; Demetriou, Andreas; Spanoudis, George; Zhang, Xiang Kui; Wang, Yuan – Intelligence, 2012
This study investigated intellectual development in 4-7 years old Greek and Chinese children. They were examined on speeded performance, working memory, reasoning, and self-awareness tasks in order to investigate possible effects of learning the Chinese logographic system on possible differences in intellectual development between these ethnic…
Descriptors: Ethnic Groups, Romanization, Chinese, Intellectual Development
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Todman, John; Cowdy, Natascha – Intelligence, 1993
Results from a study in which 25 deaf children and 25 hearing children completed a vocabulary test and a compound stimulus visual information task support the hypothesis that performance on cognitive tasks is dependent on compatibility of task demands with a coding orientation. (SLD)
Descriptors: Children, Coding, Cognitive Processes, Comparative Analysis