The Development of a Computer-Assisted Instruction in English Vocabulary for TOEIC Test Preparation

Abstract

This study was a quasi-experimental research which its purposes were to: 1) develop computer-assisted instruction in English vocabulary for TOEIC preparation to be effective according to the criteria 80/80, 2)  compare learning achievement before and after learning through the use of computer assisted instruction, and 3) study the students' satisfaction with the computer assisted instruction. The population is 95 students at Suan Dusit University Trang. The sample included 50 Suan Dusit University Trang students by simple random sampling. The research instruments were the computer-assisted instruction (CAI) in English Vocabulary for TOEIC preparation, the quiz for measuring student’s achievement, and the questionnaire for student’s satisfaction with CAI. The use of the formula E1/ E2 needed for trying out of the computer assisted instruction efficiency was used as data analysis, compare differences in scores before- and after- learning by using t-test statistics, and find the average and the standard deviation of the satisfaction level. The results show that: 1) the effectiveness of CAI in English vocabulary for TOEIC preparation was at 80.20/81.13according to the criteria 80/80. 2) The learning achievement after using CAI was significantly higher than before learning at the .05 level. and 3) the students’ satisfaction on CAI English Vocabulary for TOEIC preparation is at a high level with an average of 4.46, the standard deviation is 0.58 and the percentage is 89.20 percent.