Abstract

The purpose of this study was to examine the impact of a context-based learning (CBL) management plan on the scientific reasoning abilities of Grade 6 students in Thailand. The participants consisted of 13 students from a public school in the northeastern region. The research instruments included a two-tier multiple-choice test to assess scientific reasoning abilities and an observation checklist to monitor reasoning behavior during the learning sessions. Data were analyzed using descriptive statistics, including frequency, percentage, and relative development scores, to measure student improvement. The results indicated a significant increase in students' scientific reasoning abilities, with an average score improvement from 13.14% before the intervention to 56.00% after. The majority of students demonstrated moderate to high improvement in their reasoning skills. This study contributes to the growing body of evidence supporting the effectiveness of context-based learning in enhancing critical thinking and problem-solving skills in science education.

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