Abstract:
The purposes of this special problem were 1) to develop 2. 5D web-based
instruction on infographic (2.5DWBII), 2) to find out the efficiency of the developed
2.5DWBII, 3) to compare a achievement of students before and after student with
2.5DWBII, and 4) to study the satisfaction after learning with the 2.5DWBII.
Tools used in the research were 1) Lessons of 2.5DWBII, 2) Pre-test & posttest
and 3) Satisfaction questionnaire. The sampling group was 30 students of Department
of Computer Education, Faculty of Technical Education, King Mongkut's University of
Technology North Bangkok, selected by using purposive sampling.
The research results were as follows: firstly, the efficiency of the developed
2.5DWBII was at 1.43 with using Meguiganss formula. Secondly, the achievement of
students after learning with the 2. 5DWBII was statistically significantly higher than
before using it at .01. And Thirdly, the satisfaction of students after learning with the
2.5DWBII was at good level.