Effect of Science Instruction using Problem-Based Learning Approach on Problem-Solving Ability of Grade 5 Students

Abstract

This research purposes were 1. To compare the problem-solving ability of Prathomsuksa 5 (Grade 5) students who received science instruction based on the Problem-Based Learning (PBL) approach before and after the intervention, and to compare the post-test scores with the 70% criterion.2. To compare the science learning achievement of Prathomsuksa 5 (Grade 5) students who received science instruction based on the Problem-Based Learning (PBL) approach before and after the intervention, and to compare the post-test scores with the 70% criterion. The sample group consisted of 15 fifth-grade students in the Wanon Niwat Network Center, under the Sakon Nakhon Primary Educational Service Area Office Zone 3. The research instruments included: 1) lesson plans based on the problem-based learning approach. 2) a problem-solving ability test, and 3) a science learning achievement test. Data were analyzed using mean, standard deviation, t-test for dependent samples, and one sample t-test. The research findings were as follows 1. The problem-solving ability of fifth-grade students after learning by using the problem-based learning approach was higher than that of before and significantly higher than the 70% criterion at the .05 statistical level. 2.The science learning achievement of fifth-grade students after learning by using the problem-based learning approach was higher than that of before learning, and significantly higher than the 70% criterion at the .05 statistical level.