<![CDATA[This study aimed to determine the mastery of IPAS learning outcomes among fifth-grade students at SD Negeri 60 Lubuk Linggau following the implementation of a guided inquiry learning model assisted by audio-visual media. The method used in this study was an experimental method with a pre-experimental design in the form of a one-group pretest-posttest design. The sampling technique used was random sampling. Data were collected through pretests and posttests using 13 valid multiple-choice questions. The data were then analyzed using descriptive analysis, the Chi-square normality test, and a one-sample t-test. Based on the results of the t-test analysis at a significance level of α = 0.05, the obtained t-count was 7.15, which was greater than the t-table value of 1.721. Therefore, H₀ was rejected and Hₐ was accepted. The results showed that the students' average learning outcome increased from 51.05 in the pretest to 85.31 in the posttest, with a learning mastery percentage of 90.91%. Thus, it can be concluded that the implementation of the guided inquiry learning model assisted by audio-visual media improved the IPAS learning outcomes of fifth-grade students at SD Negeri 60 Lubuk Linggau and significantly achieved the Learning Objective Achievement Criteria (KKTP).]]>
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