DEVELOPMENT OF READING AND WRITING SKILL TRAINING KITS ON SPELLING RULES FOR PRATHOMSUKSA 4 STUDENTS AT WATSRIMUANG SCHOOL

Abstract

The objectives of this research were to develop a reading and writing skill training set on spelling rules for Prathomsuksa 4 students to be effective according to the 80/80 criteria The sample group is Prathomsuksa 4 students studying in the second semester of the academic year 2023 at Watsrimuang School, with 33 students, selected by simple random sampling, The research instruments consisted of (1) a reading and writing skill training set on spelling rules; (2) a learning management plan; (3) an achievement test; and (4) a questionnaire on the satisfaction of Prathomsuksa 4 students The research results found that; 1) the reading and writing skill training set on spelling rules for Prathomsuksa 4 students had an efficiency (/) equal to 84.27/87.57, which was higher than the set criteria  2) the effectiveness index of the reading and writing skill training set on spelling rules for Prathomsuksa 4 students was equal to 0.7096  3) the satisfaction students towards the reading and writing skill training set on spelling rules for Prathomsuksa 4 students had the highest level of overall satisfaction.