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Impulsiveness, Sociability, and the Preference for Varied Experience

The possibility that the authors' previous report of a significant relationship of extraversion-introversion to stimulus-seeking motivation was attributable primarily to the impulsivity component of extraversion-introversion, with the sociability component contributing insignificantly to that relationship, was studied in 5 samples of British and American Ss. The results for all samples significantly replicated the extraversion and stimulation-seeking relationship. In addition, impulsivity was generally found to be of slightly greater magnitude in its relation to stimulation-seeking than was sociability.