PENGARUH PEMBELAJARAN NUMBERED HEADS TOGETHER TERHADAP KEMAMPUAN BERPIKIR KRITIS BIOLOGI PESERTA DIDIK SMA NEGERI 1 WORI DI KABUPATEN MINAHASA UTARA

ABSTRACT: The objective was to study the effect of cooperative learning strategy of Numbered Heads Together (NHT) on critical thinking ability in Biology of the tenth grade-students at theState Senior High School of SMA Negeri 1 Wori in North Minahasa Regency. Method of theresearch used the quasi experiment design of pretest-posttest nonequivalent control group design.Populations of the research were the tenth grade-students from four classes, and samples of theresearch were two classes, class Xa (experiment) and Xb (control), which included 60 students.Data of the research was collected by pretest-posttest technique and using critical thinking abilitytest. And then, data ofthe research was analyzed using descriptive statistics and anacova statisticalanalysis. Result of the research showed the effect of NHT-cooperative learning strategy on the increasing ability ofcritical thinking ofthe students in comparison with the conventional one.
Keywords: Numbered Heads Together, critical thinking, biology, students
Penulis: Femmy Roosje Kawuwung
Kode Jurnal: jpbiologidd141094

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Jp Biologi dd 2014