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Abstract-To date, research work in exploring the influence of personality on performance in programming courses has often been neglected due to the difficulty of quantitatively defining and measuring human factors. In this paper an empirical experiment was conducted in: (1) measuring Introversion/Extraversion personality types based on Myers-Briggs Type Indicator(MBTI); (2) defining scores of students' assignments as academic performance; and (3) using statistical analysis to verify our hypotheses about the linear relationship between personality types and academic performance. With the support of Independent T-test analysis, conclusions were found that introversion programmers outperformed extroversion programmers in their respective programming courses. In addition, the Pearson Correlation and regression analysis were utilized in order to assist educators in conducting more effective teaching styles in their programming courses.Index Terms-Academic performance, empirical study, extraversion, introversion, Myers-Briggs type indicator.