<![CDATA[This study aims to determine the effect of Koca teaching aids on student learning outcomes in the material properties of light at UPTD SD Inpres Oeba 2 Kupang. The type of research used is a quantitative approach with a pre-experimental method and a one-group pretest-posttest design. The research sample consisted of 21 people. Data collection techniques were carried out through tests and observations. The research instruments were observation sheets and test question sheets. The instrument validity test used product moment correlation and reliability test used Cronbach's alpha. Data analysis techniques used Shapiro Wilk normality test, Levene homogeneity test and paired sample T-test hypothesis test. The results showed that student learning outcomes increased after being given treatment using Koca teaching aids. At the first meeting, the average pretest score increased from 44.71 to 54.57 and the second meeting increased from 61.71 to 78.67. The results of the hypothesis test showed a significance value of 0.000 <0.05, so it was concluded that the use of Koca teaching aids had an effect on the learning outcomes of fifth-grade students in the material properties of light. Keywords: Koca Teaching Aids, Learning Outcomes, Properties Of Light]]>
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