Critical thinking is one of the basic skills in the 21st century. Based on the TIMSS study (The Trends in International Mathematics and Science Study) on 2007, found that Indonesian student are not able to show some abstract and complex concepts in...
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Critical thinking is one of the basic skills in the 21st century. Based on the TIMSS study (The Trends in International Mathematics and Science Study) on 2007, found that Indonesian student are not able to show some abstract and complex concepts in biology. The student cannot understand the complexity of life creatures and their relationship with the environment. This quasi-experimental research aims to determine: (1) differences of students’ critical thinking skills between PDEODE learning and conventional learning, (2) differences of students’ critical thinking skills between those at higher and lower academic abilities, and (3) the critical thinking skills of students due to the interaction between learning strategy and academic ability. The research design was a pretest-posttest non-equivalent control design. The sample was 40 students of State Senior High School 1 Makassar and Islamic Senior High School Athirah Makassar. The research has been carried out during semester 1 of acad
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