A Construction of instructional packages on the topic "an introduction to electronics" in the subject of electricity-radio 31 for mathayom suksa three students
Abstract:
The purposes of this study were : 1) to construct instructional packages with efficiency of 80/80 in the subject of Electricity-Radio 31 on "An Introductin to Electronics" for Mathayom Suksa 3 students.The sample selected for the study by purposive random sampling was composed of one class of Mathayom Suksa 3 students under the industrial-art program who were studying in the Second Semester of the academic year of 1991 at "KANNASOOTSUKSALAI" school, Suphanburi. The amount of time spent in the experiment was 20 periods of 50 minutes in each. The data were analyzed by the t-test.The findings of the study revealed that the instructional packages, constructed by the researcher, had efficiency of 84.25/100. This indicated that the instructional packages had efficiency according to the standard criterion 80/80 as set. The details of all the instructional packages were as follow :The first package' s efficiency was 81.25/100The second package's efficiency was 83.5/100The third package's efficiency was 88.0/100After the students had studied the instructional packages onthe topic "An Introduction to Electronics", the pre-test and post-test scores yield a significant difference at the .01 level, indicating that after learning from these instructional packages the students' knowledge was increased.