<![CDATA[The aim of this research was to develop a visual aid for the Doppler effect concept. The type of research was Research and Development (R&D) with a research design adapted from Intructional Media Design, namely the ADDIE model (Analyze, Design, Develop, Implement, and Evaluate). To find out the feasibility of the props, a product's feasibility test was carried out. The feasibility test was divided into two, the media feasibility test and the limited test. Based on the results of the media feasibility test conducted, it was obtained an average score of 3.67 with the very good category. The results of the limited test assessment conducted by ten students of Batch 2017 of Physics Education Study Program Tadulako University. The  average score was 3.34 with strongly agree category. The results showed that the Doppler effect visual aid that has been developed can be used as a tool in the learning process.]]>
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