Abstract:
The purpose of the research was to study the effects of personality and sex on English article learning achievement from computer-assisted instruction of Mathayom Suksa three students of Washirathamsathit School in the academic year 1984. They were selected by stratified random sampling method from the results of personality test. The subjects were stratified into 4 groups according to personality and sex as : 15 male introvert, 15 female introvert, 15 male extrovert and 15 female extrovert. The subjects were assinged to do pretest, and after they had studied the lesson on article from computer-assisted instruction, they immediately took the post-test. The data obtained from the tests were analysed by mean of Two-Way Analysis of Covariance. The result of the research concluded that learning achievement on article lesson from computer-assisted instruction of the two personalities were significantly difference at the .05 level of confidence. The introvert group had higher achievement than the extrovert. For sex, there was no significant difference in learning achievement between male and female.