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Updated: Aug 21, 2026

Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach
Published on: February 14, 2014
Working memory, inhibition, and fluid intelligence as predictors of performance on Tower of Hanoi and London tasks
Nancy A Zook1, Deana B Davalos, Edward L Delosh
1Department of Psychology, Colorado State University, Fort Collins, CO 80543, USA. nazook@lamar.colostate.edu
Abstract:
The contributions of working memory, inhibition, and fluid intelligence to performance on the Tower of Hanoi (TOH) and Tower of London (TOL) were examined in 85 undergraduate participants. All three factors accounted for significant variance on the TOH, but only fluid intelligence accounted for significant variance on the TOL. When the contribution of fluid intelligence was accounted for, working memory and inhibition continued to account for significant variance on the TOH. These findings support argument that fluid intelligence contributes to executive functioning, but also show that the executive processes elicited by tasks vary according to task structure.
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