Second language acquisition is defined as the learning and adopting of a language that is not your native language. Studies[vague] have shown that extraverts (or unreserved and outgoing people) acquire a second language better than introverts (or shy people).
One particular study done by Naiman reflected this point. The subjects were 72 Canadian high school students from grades 8, 10 and 12 who were studying French as a second language.
Naiman gave them all questionnaires to establish their psychological profiles, which also included a French listening test and imitation test. He found that approximately 70% of the students with the higher grades (B or higher) would consider themselves extroverts.
