This study aims to determine whether the use of E-Book media really influences the critical thinking skills of fifth-grade students at SDIT Darul Istiqomah, Palangka Raya City, when studying Pancasila Education. The design uses a quantitative approach with a quasi-experimental method, using an unpaired control group design. The research participants were divided into two groups: one learning using E-Book media and the other learning conventionally without digital media. Data were collected through written tests, questionnaires, and observation sheets, then analyzed using SPSS version 25. Before the main analysis, normality and homogeneity tests were conducted. The results showed that the data were normally distributed, but the variances were not the same, so the hypothesis testing used a t-test with the assumption of unequal variances. As a result, the significance value obtained was 0.013, which indicates that the value is smaller than the limit of α = 0.05. This indicates a significant influence of the use of E-Book media on students' critical thinking skills. In addition, the media was also proven to be able to increase the level of student activity and involvement during the learning process.
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