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ERIC Number: EJ915628
Record Type: Journal
Publication Date: 2011-Mar
Pages: 16
Abstractor: As Provided
Reference Count: 0
ISSN: ISSN-0022-0965
A Latent Variables Examination of Processing Speed, Response Inhibition, and Working Memory during Typical Development
McAuley, Tara; White, Desiree A.
Journal of Experimental Child Psychology, v108 n3 p453-468 Mar 2011
This study addressed three related aims: (a) to replicate and extend previous work regarding the nonunitary nature of processing speed, response inhibition, and working memory during development; (b) to quantify the rate at which processing speed, response inhibition, and working memory develop and the extent to which the development of these latter abilities reflect general changes in processing speed; and (c) to evaluate whether commonly used tasks of processing speed, response inhibition, and working memory are valid and reliable when used with a developmentally diverse group. To address these aims, a latent variables approach was used to analyze data from 147 participants 6-24 years of age. Results showed that processing speed, response inhibition, and working memory were separable abilities and that the extent of this separability was stable across the age range of participants. All three constructs improved as a function of age; however, only the effect of age on working memory remained significant after processing speed was controlled. The psychometric properties of tasks used to assess the constructs were age invariant, thereby validating their use in studies of executive development. (Contains 5 tables and 1 figure.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A