Further investigation of the two personae of extraversion.
D000328:Adult; D003431:Cross-Cultural Comparison; D005120:Extraversion, Psychological; D005260:Female; D006801:Humans; D007439:Introversion, Psychological; D008297:Male; D012917:Social Adjustment; D012919:Social Behavior; D013334:Students; D006113:United Kingdom; D014481:United States