DEVELOPING LEARNING OUTCOMES IN THAI HISTORY OF THE EARLY RATTANAKOSIN PERIOD USING PROBLEM-BASED LEARNING WITH MULTIMEDIA OF SIXTH - GRADE STUDENTS BAN NONG THUA PAEP SCHOOL BURIRAM PROVINCE

Abstract

               This research focused on enhancing learning outcomes in the Thai History course, the Early Rattanakosin Period, using problem-based learning (PBL) with multimedia for sixth-grade students. The objective was to ensure that students achieved an average score of at least 75% or higher of the total score. The study was an action research design, conducting over three cycles. The target group included eight sixth- grade students from Ban Nong Thua Paep School under the Office of Buriram Primary Educational Service Area 3 during the second semester in academic year of 2024. The research instruments comprised to twelve lesson plans, totaling twelve hours, The evaluation results of the appropriateness of the learning management plan by experts have an average score ranging from 3.39 to 4.62. Along with a learning achievement test. The difficulty level ranges from 0.38 to 0.78, the discrimination power ranges from 0.21 to 0.71, and the reliability is 0.87. Data were analyzed by using percentage and mean. The findings indicated that sixth-grade students engaged in problem-based learning integrated with multimedia to achieve an average learning score of 87.50%, exceeding the predetermined criterion. Furthermore, all eight students met the passing criterion of 75% or higher of the total score.