<![CDATA[This research aims to find out the effect of the implementation of cooperative learning type Student Team Achievement Divisions (STAD) with LKS towards students’ learning achievement of the class VII at SMP N 21 Surakarta.This study is a quasi-experimental studies which use Posstest Only Control Group Design. The independent variable in this research is the application of cooperative learning, the Student Team Achievement Divisions (STAD) whereas the dependent variable is students’ achievement in learning biology at 3 levels’, namely: cognitive, affective, and psychomotor. The population of the study is the entire class VII at SMP N 21 Surakarta in academic year 2012/2013. The samples are taken towards control and treatment group. The sample is taken by using Purposive Sampling method. The data are collected by using test (for cognitive achievement) whereas for the affective and psychomotor aspects the data are taken by using observation methods. The obtained data are analyzed by using t-test.The result shows that the implementation of Student Team Achievement Divisions (STAD) with LKS has taken good effect towards students’ achievement in affective and psychomotor aspects, but has not on the cognitive achievement students in class VII at SMP N 21 Surakarta. Keywords: Cooperative Learning, Student Team Achievement Divisions (STAD), Learning Achievement, LKS.]]>
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