Effects of Web-based Instruction on Thai Students' Achievement: A Meta-Analysis

S. Apichatibutarapong, W. Worrachittanon, R. Tenissara, N. Vongsirojgul, and S. Petsuwan (Thailand)


Web-based instruction, meta-analysis, effect size, and students’ achievement


The purpose of this study was to examine the effectiveness of web-based instruction (WBI) on Thai students’ achievement. A meta-analysis technique was employed to synthesize 56 research works of King Mongkut’s Institute of Technology Ladkrabang, North Bangkok and King Mongkut’s University of Technology, Thonburi during the academic year 2001 and 2006. The finding of the study indicated that web-based instruction was effective in teaching Information Technology, Mathematics and Statistics, and Sciences with effect size of 11.02, 10.71, and 4.79 respectively; and the average of effect size across all subjects was 10.14; standard deviation was 11.09. The result of this research asserted that WBI was an appropriate media in learning and teaching various subjects in Thailand.

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