INTELLIGENCE, REACTION TIME (R-l-) AND A NEW ‘ODD-MAN-OUT’ RT PARADIGM

-A sample of adult 5’s of reasonably normal mteiligence were given an ‘IQ’ test, a series of RT tests using 0, I , 2. 3 bits of information in a Hick paradigm and an RT task requiring choice of I of 3 lights as an ‘odd-man-out’ on the basis of its relative position. Negative correlations were found betxveen both RT and measures of variation in RT and ‘IQ‘ for both of the two tasks. Recent results showing no correlation between Hick slope and ‘IQ’ and no increase in correlation between *lQ’ and RT with increasing number of bits, are confirmed. An explanation for findings of Ss whose RT data do not conform to Hick’s law is tested and found inadequate. The ‘odd-man-out’ task is found to show an effect of ‘learning’ across the period of the task, the size of the learning effect was found also to correlate with ‘IQ’. but no evidence for learning was found with the choice RT task.