Bagus Adi Bayu, 0402519042 (2023) Pengembangan E-Bahan Ajar Pteridophyta di Cagar Alam Bantarbolang dengan Pendekatan Saintifik untuk Melatih Keterampilan Berpikir Kritis. Masters thesis, UNNES.

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Abstract

The Bantarbolang Nature Reserve as a conservation area is not widely recognized, and can be used in innovative learning with strategies that can train critical thinking skills. Students also have low critical thinking skills. The research objective was to analyze the richness of pteridophyta species in the Bantarbolang Nature Reserve. Analyzing the characteristics, validity and effectiveness of Peteridophyta E-Materials in training students' critical thinking skills. This research includes Research and Development (R&D) research using the 4D model which includes four stages, namely Define, Design, Develop, and Disseminate. The results of the study showed (1) Diversity of Pteridophyta in the Bantarbolang Nature Reserve, which found 14 species of ferns, from 6 different families. The diversity of ecosystems in the Bantarbolang Nature Reserve, there are River Ecosystems, Forests and Teak Forests. (2) The characteristics of the Pteridophyta E-Materials in the Bantarbolang Nature Reserve have advantages, such as providing contextual examples of images, presented by collaborating between scientific approaches and process skills, and displayed in electronic form which makes it easy to use. (3) The validity of the Pteridophyta E-teaching materials in the Bantarbolang Nature Reserve, obtained an assessment score from material experts of 94.38% so that it is included in the very valid category, and an assessment score from media experts of 98.30% so that it is included in the very valid category. (4) The effectiveness of E-teaching materials on students' critical thinking skills obtains an N-gain score of 0.70, which means the high category, and obtained an Effect size score of 0.49, which means the medium category, thus showing effective results on critical thinking skills with the application of E - Teaching materials pteridophyta.

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