การพัฒนากิจกรรมการเรียนรู้คณิตศาสตร์ตามแนวคิดทฤษฎีการสร้างความรู้ด้วยตนเอง ควบคู่กับโปรแกรม The Geometer’s Sketchpad เรื่อง ฟังก์ชัน ชั้นมัธยมศึกษาปีที่ 4

Abstract

The purposes of this study were 1) to develop mathematics learning activities based on constructivist theory through the use of the Geometer’s Sketchpad on Function for Matayomsuksa 4 students to meet the efficiency criteria of 75/75, 2) to examine the effectiveness index of the developed mathematics learning activities, 3) to compare the students’ learning achievement before and after the intervention, and 4) to explore students’ satisfaction toward the develop mathematics learning activities. The sample group, obtained through cluster random sampling, was Mathayomsuksa 4/1 with 31 students at Sakonthawapi School in the second semester of the 2019 academic year. The research instruments consisted of 1) eight lesson plans, and  2) a learning achievement test. The statistics for data analysis were mean, standard deviations, and Dependent Samples t-test.

The results revealed that:                                1. The efficiency of the developed mathematics learning activities was 79.95/ 77.26, which met the 75/75 criteria.                2. The effectiveness index of the developed mathematics learning activities was 0.6709, indicating that the students’ learning progress achieved 67.09 percent.                  3. The students’ learning achievement after the intervention was higher than that of the pre-intervention performance at the .01 level of significance.                                            4. The students’ satisfaction toward the developed mathematics learning activities was at a high level (= 4.15, S.D.= 0.39).