Sri Susilogati Sumarti, KIMIA UNNES and Edy Cahyono, - and Amrul Munafiah, - (2015) Project Based Learning Tools Development on Salt Hydrolysis Materials through Scientific Approach. IOSR Journal of Research & Method in Education, 5 (2). 01-05. ISSN 2320–737X

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Abstract

The application of the Project Based Learning in order to compromise the student's centered learning, because the students are fully engaged in the learning process, from planning to investigative reporting. The main purpose of this research is to produce the valid and effective Project Based Learning, included: syllabus, lesson plans, module, project worksheets, evaluation instruments, and research instruments. The subject of the research is two classes of the eleventh year student of science program in SMA N 1 Pemalang. The research applied 4-D models of Thiagarajan, Semmel and Semmel. The 4-D models. Researcher has tested the validity and the effectiveness. Developed a learning device called valid if it has been through a process of expert validation. The device developed effective learning, average scores and the pretest results posttest then to determine the level of significance of the increase is in the pretest results - posttest t test with results of 69.07. Observations attitude Data showed an average student with a good attitude to have. The results of the questionnaire showed no positive response from students so that it can be concluded that the development of project-based learning through a scientific approach is valid and effective.

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