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Rusmansyah; Yuanita, Leny; Ibrahim, Muslimin; Isnawati; Prahani, Binar Kurnia – Journal of Technology and Science Education, 2019
Pre-service chemistry teachers should have the 21st century competence such as critical thinking skill. Unfortunately, the critical thinking skill dan self-efficacy level of Indonesian pre-service chemistry teachers is still low. Problem Based Learning (PBL) model and Inquiry model have been implemented widely to improve the critical thinking…
Descriptors: Chemistry, Science Instruction, Critical Thinking, Preservice Teachers
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Valdez, Joseph E.; Bungihan, Melfei E. – Journal of Technology and Science Education, 2019
The study aimed to investigate the effectiveness of problem-based learning (PBL) approach in enhancing the problem solving skills in Chemistry of Grade 9 students in a public high school in the Philippines. The level of problem solving skills of the students in the non-PBL and PBL group before and after their exposure to non-PBL and PBL approaches…
Descriptors: Problem Based Learning, Intervention, Comparative Analysis, Teaching Methods
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Bueno, Patricia Morales – Journal of Technology and Science Education, 2014
This article reports the development and validation study of tests to assess achievements at three levels of knowledge structure, following the model proposed by Sugrue to measure problem-solving skills. The literature has reported this proposal as a model consistent with the theoretical constructs underlying problem-based learning (PBL)…
Descriptors: Problem Solving, Chemistry, Science Instruction, Problem Based Learning