R. Avianti, S. Suyatno, B. Sugiarto
This study aims to create an appropriate learning material based on CORE (Connecting, Organizing, Reflecting, Extending) model to improve students' learning achievement in Chemical Bonding Topic. This study used 4-D models as research design and one group pretest-posttest as design of the material treatment. The subject of the study was teaching materials based on CORE model, conducted on 30 students of Science class grade 10. The collecting data process involved some techniques such as validation, observation, test, and questionnaire. The findings were that: (1) all the contents were valid, (2) the practicality and the effectiveness of all the contents were good. The conclusion of this research was that the CORE model is appropriate to improve students' learning outcomes for studying Chemical Bonding. © Published under licence by IOP Publishing Ltd.
Science Education, Post Graduate Program, Universitas Negeri Surabaya, Ketintang St. 30, Surabaya, 60231, Indonesia
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