Analyses focused on child... and examiner measures of talkativeness, average utterance length, vocabulary diversity, and grammatical complexity from a fifteen - minute conversational exchange. (content.iospress.com)
Extraversion (versus introversion) reflects talkativeness, assertiveness and a high activity level (sciencedaily.com)
But only the patients who took paroxetine displayed personality changes in two key areas of the widely used five - factor model of personality: they scored lower on neuroticism, the tendency to experience negative emotions such as guilt and anxiety, and they scored higher on extroversion, which includes traits such as talkativeness and assertiveness. (scientificamerican.com)