Abstract
Problem-based learning-based e-modules are teaching materials in electronic form that support independent learning. This study aims to produce teaching materials in the form of e-modules based on problem based learning on corrosion material for class XII SMA/MA. The type of research conducted is in the form of educational design research using the Plomp model with three stages, namely preliminary research, (2) prototyping stage, and (3) assessment phase. The e-module was validated by five validators consisting of two UNP chemistry lecturers and three chemistry teachers. The research instrument used was a validity questionnaire, the data obtained were analyzed using Aiken'V. The results of data analysis showed that the e-module based on problem based learning on corrosion material for class XII SMA/MA obtained an average value of 0.87 with valid criteria. The results of this study indicate that the developed e-module is valid as a teaching material for corrosion material for class XII SMA/MA. Keywords: E-module based on problem based learning, corrosion, educational design research, plomp development model.
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