The Effectiveness of an E-Booklet in Enhancing Scientific Explanation Skills on the Human Immune System Topic

Siti Ainur Rohmah; Nanda Eska Anugrah Nasution; Khusnul Khotimah

Authors

Siti Ainur Rohmah UIN Kiai Haji Ahmad Siddiq Jember
Nanda Eska Anugrah Nasution UIN Kiai Haji Achmad Siddiq Jember
Khusnul Khotimah UIN Sultan Aji Muhammad Idris Samarinda

Keywords:

E-Booklet, Scientific Explanation Skills, Human immune system topic, Science students

Abstract

This study investigates the effectiveness of an e-booklet in improving students' scientific explanation skills in the human immune system topic. A quasi-experimental design was employed, involving two groups: an experimental class using the e-booklet and a control class relying on conventional teaching methods. The study was conducted at SMAN 1 Leces Probolinggo, with 31 students in each group. Pretest and posttest assessments were used to measure scientific explanation skills, which were analyzed through statistical tests, including normality, homogeneity, t-test, and N-gain calculations. The results showed that the experimental class had a significantly higher improvement in scientific explanation skills than the control class. The N-gain score for the experimental class was 0.507, classified as moderate, whereas the control class scored 0.142, classified as low. The analysis of the three components of scientific explanation: claims, evidence, and reasoning indicated that the e-booklet was particularly effective in enhancing students' ability to construct claims and provide supporting evidence, while reasoning skills showed moderate improvement. Statistical analysis using the Mann-Whitney test confirmed a significant difference in posttest scores between the two groups (p<0.05), supporting the effectiveness of the e-booklet. The findings suggest that the e-booklet serves as an effective digital learning tool for fostering scientific explanation skills.

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