Restu Desriyanti, Hardeli, Ananda Putra, Ellizar
The module based on discovery learning with a scientific approach has developed to increase students' learning outcomes and critical thinking in redox reaction material. Research and Development (R & D) is applied as this type of research. This study aims to examine the validity and practicality of the modules developed using the Plomp development model consisting of 3 stages: preliminary research, prototyping stage, and phase assessment. The module was validated by 8 validators and tested to 2 schools of medium and low ability respectively. The results of the validity data analysis showed that the module generated meets the valid criteria in terms of content, constructs, graphics and language aspects. The module practice is interpreted from the teacher response questionnaire and the student response questionnaire. The results of module practicality from the aspects of attractiveness, ease of use, time efficiency, and the benefits of teachers and students have been practicable with the teacher's kappa response questionnaire of 0.86 and 0.81 for the student response questionnaire with module practicality categorized as very high. © 2019 Published under licence by IOP Publishing Ltd.
Departement of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Padang, Jl. Prof Hamka, Padang, 25131, Indonesia
