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All Journal JURNAL EKSAKTA PENDIDIKAN (JEP)
Harahap, Roslinawati
Fakultas Matematika dan Ilmu Pengetahuan Alam
Agriculture, Biological Sciences & Forestry Chemistry Education Mathematics Physics Other

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Upaya Meningkatkan Kemampuan Berpikir Kritis Siswa Kelas X Melalui Pembelajaran Kooperatif Tipe Numbered Head Together Khairani, Khairani; Amry, Zul; Harahap, Roslinawati
JURNAL EKSAKTA PENDIDIKAN (JEP) Vol 2 No 1 (2018): JEP : Jurnal Eksakta Pendidikan
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (521.932 KB) | DOI: 10.24036/jep/vol2-iss1/135

Abstract

Critical thinking is reasonable reflective thinking focused on deciding what to believe or do. The upper three levels of Bloom’s taxonomy of educational objectives (analysis, synthesis, and evaluation) are part of critical thinking. Purpose of this research was to improve critical thinking of tenth grade secondary students through Cooperative Learning Number Head Together (NHT). Type of this research was classroom action research. Subjects were 40 students of class X-6 MAN 2 Model Medan in year academic 2013/2014. This research had two cycles with three strategies to collecting data: experiencing, enquiring and examining. Researcher reflected students’ critical thinking through observation, test, interviews, and students’ records, before Cooperative Learning Numbered Head Together (NHT) is adopted in classroom. Data analysis was done by quantitative and qualitative approach. Based on data analysis, it shows that students’ critical thinking are increase from score percentage 32,42% at low level (before cyclus I) to 49,13% at medium level (after cyclus I) and 55,63% at medium level (after cyslus II). It can be concluded that students’ critical thinking can be improved by implementing cooperative learning numbered head together in the classroom.
Co-Authors Amry, Zul Khairani Khairani