Abstract:
The purposes of this research were to develop computer assisted instruction (CAI) for Mechanical
Drawing in Detail Drawing, investigate efficiency of lesson, learner's achievement and
learners' attitude towards CAl for Mechanical Drawing in Detail Drawing. The research was
carried out with 30 students of production department, at Nakhonratchasima Technical
College. The main findings of this research were as follows; the efficiency of CAl was
83.10/82.95, corresponding to 80/80 establislueb In hypothesis. Secondly, the learners'
achievement showed significantly different improvement at the level of .01. Finally, the
learners' attitude towards CAl was satisfactory. This would be concluded that CAl could be
used as efficient tool for self study.