Confirmatory Factor Analysis and Multidimensional Scaling for Construct Validation of Cognitive Abilities.
نویسندگان
چکیده
Although factor analysis is the most commonly-used method for examining the structure of cognitive variable interrelations, multidimensional scaling (MDS) can provide visual representations highlighting the continuous nature of interrelations among variables. Using data (N = 8,813; ages 17-97 years) aggregated across 38 separate studies, MDS was applied to 16 cognitive variables representative of five well-established cognitive abilities. Parallel to confirmatory factor analytic solutions, and consistent with past MDS applications, the results for young (18-39 years), middle (40-65 years), and old (66-97 years) adult age groups consistently revealed a two-dimensional radex disk, with variables from fluid reasoning tests located at the center. Using a new method, target measures hypothesized to reflect three aspects of cognitive control (updating, storage-plus-processing, and executive functioning) were projected onto the radex disk. Parallel to factor analytic results, these variables were also found to be centrally located in the cognitive ability space. The advantages and limitations of the radex representation are discussed.
منابع مشابه
Validation of Cognitive Abilities METHODS AND MEASURES : Confirmatory Factor Analysis and Multidimensional Scaling for Construct
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ورودعنوان ژورنال:
- International journal of behavioral development
دوره 33 3 شماره
صفحات -
تاریخ انتشار 2009