extroversion

n.

外向，外倾；

Extroversion, anxiety and the perceived effects of alcohol
Extroversion and neuroticism in young men at higher or lower risk for alcoholism.
Introversion/Extroversion, Time Stress, and Caffeine: Effect on Verbal Performance
Personality inference from voice quality: The loud voice of extroversion
The measurement of extroversion: A comparison of the Eysenck Personality Inventory and the Eysenck Personality Questionnaire
"On the Internet no one knows I'm an introvert": extroversion, neuroticism, and Internet interaction
Tolerance of uncertainty, extroversion, neuroticism and attitudes to randomized controlled trials among surgeons and physicians
Studies on the Relations between the Introversion / Extroversion of Good Language Learners and their Use of Learning Strategies
Personality, the Theory of Planned Behavior, and Exercise: A Unique Role for Extroversion's Activity Facet
Collegiate psychological sense of community in relation to size of college/university and extroversion