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The Magnitude, Generality, and Determinants of Flynn Effects on Forms of Declarative Memory and Visuospatial Ability: Time-Sequential Analyses of Data from a Swedish Cohort Study
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Ronnlund, Michael; Nilsson, Lars-Goran – Intelligence, 2008
To estimate Flynn effects (FEs) on forms of declarative memory (episodic, semantic) and visuospatial ability (Block Design) time-sequential analyses of data for Swedish adult samples (35-80 years) assessed on either of four occasions (1989, 1994, 1999, 2004; n = 2995) were conducted. The results demonstrated cognitive gains across occasions,…
Descriptors: Intelligence Tests, Semantics, Memory, Spatial Ability
Picture Encoding Speed and Mental Retardation.
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Merrill, Edward C.; And Others – Intelligence, 1987
Using a modified Posner "encoding function" methodology, group differences in semantic encoding speed were assessed under conditions in which subjects encoded pictures of common objects to determine physical identity matches, name identity matches, and superordinate identity matches. Results of primary interest revealed group differences in basic…
Descriptors: Adults, Age, Analysis of Variance, Comparative Testing