PENGARUH MODEL PEMBELAJARAN READ ANSWER DISCUSS EXPLAIN CREATE (RADEC) BERBANTUAN MEDIA AUDIO VISUAL TERHADAP KETERAMPILAN BERPIKIR KRITIS PADA MATA PELAJARAN IPAS MATERI TEKNOLOGI UNTUK KEHIDUPAN

Abstract

^{This research is motivated by the low critical thinking skills of students in the subject of science and natural sciences. The purpose of this study is to determine the effect of the Read-Answer-Discuss-Explain-Create (RADEC) learning model assisted by Audio Visual media on the critical thinking skills of elementary school students in science and natural science learning on technology for life. The method used is a quantitative pre-experiment with a One Group Pretest-Posttest design. The research sample was taken using a non-probability sampling technique, consisting of 30 fifth-grade students of SDN Parakanmuncang II, Cimanggung District, Sumedang Regency. Data collection techniques include non-test techniques in the form of observation sheets for the implementation of the RADEC learning model and test techniques in the form of pretest-posttest sheets for critical thinking skills. The results of the non-test technique analysis show that the implementation of the RADEC model is very high, namely 93% at the first meeting and 100% at the second meeting. Furthermore, the results of the test technique analysis show that the average value of the Pretest is 55.47 while the average value of the Posttest increases to 78.13. The normality test showed that the data were normally distributed. The paired sample t-test showed a significance value of 0.000 <0.05, indicating a significant difference between the pretest and posttest scores. To support these results, an effect size test was conducted, yielding a value of 2.099, categorized as high. Based on these results, it can be concluded that the RADEC learning model, supported by audiovisual media, has an impact on students' critical thinking skills.}