This study attempts to verify the value of new measures of speed of mental operations among children with intellectual deficiency. Results on this collection of simple problem-solving tasks are examined in relation to those obtained on different traditional measures of cognitive skills, as well as a scale of adaptive behavior. The participants are 62 children aged 3 to 13 years old, whose mean score on the Stanford-Binet is 55.03 (SD = 12.34). The results show medium to high correlations between scores on these five computerized tasks and all other cognitive measures, as well as the adaptive behavior scale. The relevance of taking speed of response into account in the assessment of cognitive skills is discussed along with its implications for the intellectual assessment of special populations.
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