The Instructional Packages of Op Amps and Linear IC for Vocational Education Students

Abhichat Anukulwech
In this research, a design of instructional packages of Op Amps and Linear IC is proposed for Vocational Education in Diploma Program. For the data sampling in our experiment, twenty nine students of Diploma Program in Chonburi Technical College are in our case study. The tools for experiment also include the instructional packages, the pretests, the midtests, the posttests, and the statistical tools. The statistics used for data analysis are E1/E2, mean (M), and standard deviation (SD). After the experiment, the results showed that the average scores of Diploma students in midtest, posttest (E2), and pretest (E1) were 216.61, 117.16, and 39.98, respectively.