Abstract
In the present study, an extension to the Hick model is proposed and information levels above 3 bits are used in examining the nature of the relationship between intelligence and choice reaction time (CRT). Eighty subjects completed the Standard Ravens Progressive Matrices Test (RPM) as well as CRT task where information values varied from 0–6.1 bits. It was found that correlations between RPM scores and CRT measures were significant at all information levels, with median CRT measures being most highly correlated with intelligence. The implications of these findings for the relationships between task difficulty, speed of processing and intelligence are discussed.
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