Differentiation of cognitive abilities in the WAIS-IV at the item level

It is known that studying the differentiation of cognitive abilities is associated with many methodological challenges. In the recent years, methods have been developed to address these challenges. However, these methods require that the item scores of an intelligence test are combined into a compos...

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Veröffentlicht in:	Intelligence (Norwood) 2017-11, Vol.65, p.48-59
Hauptverfasser:	Molenaar, Dylan, Kő, Natasa, Rózsa, Sandor, Mészáros, Andrea
Format:	Artikel
Sprache:	eng
Schlagworte:	Ability differentiation Age Age differences Age differentiation Cognitive ability Differentiation Discriminant analysis Intelligence Non-linear factor analysis Nonlinear equations Power Simulation Spearman's law of diminishing returns Standardization
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