ผลการจัดกิจกรรมการเรียนรู้โดยใช้ปัญหาเป็นฐาน เรื่อง การแปรรูปผลผลิตทางการเกษตร กลุ่มสาระการเรียนรู้การงานอาชีพและเทคโนโลยี ระดับชั้นมัธยมศึกษาปีที่ 1

Abstract

The purposes of this research were to compare pretest and posttest scores and problem solving abilities before and after studying through problem - based learning activities on the topic of processing agricultural product, in the Career and Technology Learning Substance Group for Mathayomsuksa 1 level, and to examine the group work process of Mathayomsuksa 1 students after learning through the developed learning activities.The sample consisted of 39 Mathayomsuksa 1 students at Bansrimaharacha Municipality school, Chonburi Province, selected by cluster random sampling. The research instruments were lesson plans, an achievement test, a problem-solving ability test, and a group work observation form. The data were analyzed by using Dependent samples t-test to compare the difference of pretest and posttest scores, and problem-solving ability before and after intervention. In addition, an analysis of group work behaviors was conducted through mean and standard deviation.

            The research findings were as follows:

1. The posttest scores after the intervention of Mathayomsuksa 1 students was significantly higher than those of before learning at a statistical significance of .05 level.


2. The problem-solving abilities of students after the intervention was significantly higher than those of before learning at a statistical significance of .05 level.


3. The student group work after the intervention has increased and was at a good level.