Abstract
A motor performance and a kinesthetic figural aftereffect task were administered to 134 college students, and scores reflecting the buildup and dissipation of reactive inhibition were derived. In order to evaluate Eysenck's theory of introversion-extraversion, these scores were correlated among themselves and with measures of anxiety, hysteria, psychasthenia, extraversion, and neuroticism. In addition, groups defined as inhibitory (fast buildup and slow dissipation of inhibition) or excitatory (slow buildup and fast dissipation) were compared with respect to personality scale scores. The findings suggested a slight relationship between performances on the 2 tasks, but relations found between inhibition and personality lent no support to Eysenck's theory. (PsycINFO Database Record (c) 2016 APA, all rights reserved)

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