The Development of Learning Achievement in Thai Literature of Mathyomsuksa 6 Students Using inquiry-Based Teaching Method

Abstract

The purpose of this research were to compare achievement in Thai literature before and after studying of Mathayomsuksa 6 students using inquiry-based teaching method. This research is an experimental research with a One Group Pretest and Posttest Design. The sample group used in the research was 30 Mathayom 6 students of Muang Thalang School, semester 1, Academic year 2024. They was selected by Cluster Random Sampling The students in Room 4 were the experimental group for learning management using the inquiry-based teaching method to improve the learning achievement in Thai literature. The instrument for collecting data was 1) 6 lesson plan using inquiry based learning. 2) The 30 questions with four multiple choices achievement test. was evaluated by experts, and the Item-Objective Congruence (IOC) index was analyzed, yielding a value of no less than 0.50. This ensures alignment with the learning standards and objectives Analysis data by mean, standard deviation. The research results were found as follows; Thai literature achievement of Mathayomsuksa 6 students after learning by using inquiry method were higher than the achievement scores before learning by using inquiry method the scores were significantly .05 level.