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Elementary Cognitive Tasks Of Executive Functioning: A Concurrent Validity Study, Octavio A. Santos

Theses and Dissertations

In this study, we examined the concurrent validity of four computerized elementary cognitive tasks (ECTs) by comparing them with Delis–Kaplan Executive Function System’s (D-KEFS) scores shown to load on the three-factor model of executive functions (EFs). A sample of 175 college students were administered two ECTs purportedly measuring perceptual-motor skills (simple and choice reaction time [RT] tasks) and two ECTs purportedly measuring executive control (1- & 2-bit internal-rule [IR] tasks), as well as the D-KEFS Sorting Test, Color-Word Test, and Verbal Fluency Test to assess Shifting, Inhibition, and Updating, respectively. Specific D-KEFS scores underwent principal component analysis, yielding a three-factor …