Abstract
The relationship between odd-man-out reaction time (RT) tasks and intelligence is examined. The first experiment supports previous findings that the odd-man-out task is more highly correlated with intelligence than performance on standard choice RT tasks. The advantage high-IQ subjects have over low-IQ subjects in performing the odd-man-out task is eliminated when subjects are forced to take account of a cue stimulus. The second experiment indicates that increasing the complexity of the odd-man-out discrimination by making subjects compare the distances between three pairs of stimuli, as opposed to just two, increases the correlation between odd-man-out performance and intelligence.
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