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Download full textAmin, Saiful; Utaya, Sugeng; Bachri, Syamsul; Sumarmi; Susilo, Singgih – Online Submission, 2020
The purpose of this study was to: (1) to determine the effect of problem-based learning (PBL) model on critical thinking skill, and (2) to determine the effect of PBL model on environmental attitude. This study used a quasi-experiment model with a pretest-posttest control group design. The subjects of this study were students of Social Sciences…
Descriptors: Problem Based Learning, Critical Thinking, Thinking Skills, Student Attitudes
Peer reviewedSari, Yuli Ifana; Sumarmi; Utomo, Dwiyono Hari; Astina, I Komang – International Journal of Instruction, 2021
Scientific writing is essential for students to express their idea and to report their research. Problem-based learning model directs students to solve problems and report them in the form of scientific articles. The report is written logically and systematically. The research used a quasi-experiment method with 62 students as participants. The…
Descriptors: Problem Based Learning, Problem Solving, Content Area Writing, Persuasive Discourse
Sumarmi; Bachri, Syamsul; Baidowi, Arif; Aliman, Muhammad – International Journal of Instruction, 2020
This study aimed to: (1) determine the effect of the problem-based service learning model based on the local wisdom of gugur gunung on the environmental concern of the students in Public Senior High School 1 Campurdarat; (2) determine the effect of problem based service learning models on the ability to write scientific papers at Public Senior…
Descriptors: Problem Based Learning, Service Learning, Instructional Effectiveness, Consciousness Raising
