Özet:

The study aims to develop the interactive electronic school book (IESB) about the atomic nucleus for grade 12 of the last semester that can be used to develop self-confidence and critical thinking skills. The method used in this research was the ADDIE development procedure which is limited to the test phase of product design expert. Analysis data needs were taken from high school students and teachers using questionnaires. Expert tests were carried out by experts in the field of physics education. Data were analyzed quantitatively and descriptively. Based on the results of the questionnaire 65,2% of the students said that they wanted the IESB which contains an interactive question exercise with feedback for exam exercises and preparing for admission to university. The current book has not given self-confidence to 83,9% of students. Expertial test results show that the atom core electronic book that will be able to cultivate self-confidence and critical thinking skills is an interactive digital format with experimental simulation, interactive question on HOTS level with feed back, and hyperlink to other learning resources.

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