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description Journal article public Jurnal Pendidikan Biologi Universitas Negeri Malang

Pengaruh Pembelajaran Numbered Heads Together Terhadap Kemampuan Berpikir Kritis Biologi Peserta Didik SMA Negeri 1 Wori Di Kabupaten Minahasa Utara

Femmy Roosje Kawuwung
Published 2014

Abstract

The objective was to study the effect of cooperative learning strategy of NumberedHeads 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 theincreasing ability ofcritical thinking ofthe students in comparison with the conventional one.

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