Abstract
The relationship between the speed of execution and the ability of a subject when performing mental tasks is a longtime concern of psychometric researchers. However, this relationship is not well documented because execution speed has been measured inaccurately in the past. The relationship between speed of execution and intellectual ability is evaluated here while using subtests from a French Canadian computerized battery of aptitude tests, the Tests d'aptitudes informatisés pour enfants, which adequately provide control of the response time for each presented item. The speed of execution indices we examined here are calculated from the easiest items of six subtests. Those indices are compared with the scores on these subtests as well as with other indices of intellectual ability. The sample comprises 148 children whose average age was 10 years. Analysis suggests that high speed and high scores are related for some types of mental work.
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