Video compact disc on Refrigeration and Air condition

Abstract

The purposes of this research were: 1) to develop and find out the efficiency of Video Compact Disc on Refrigeration and Air Conditioning.  2) to Compare learning achievement between pre-test and post-test of the subjects learning with Video Compact Disc on Refrigeration And Air Condition.

     The sample of this study were 20 students selected from 40 students in 1^st year of Vocational Certificate level in Electrical Power at Technology Laemchabang College Chonburi by Simple random Sampling.  

     The results of the study were as follows:              

     1) The efficiency of Video Compact Disc on The Refrigeration And Air Condition was at 84.25: 82.25. Which was the criteria not less than 80: 80

     2) The post-test scores of subjects learning with Refrigeration And Air Condition was significantly higher than pre-test scores at 0.05 level.