### THE EFFECT OF PROBLEM BASED LEARNING STRATEGY COMBINED BY JIGSAW TOWARDS CRITICAL THINKING ABILITY

#### Abstract

The current problem of education is that students are less trained to develop their thinking

capabilities. This is because teachers still consider giving information is more important than

training the ability to think. One of the learning strategies that can train students to be able to learn

independently and train high-level thinking capability is the Problem Based Learning strategy

combined Jigsaw. The research aims to know the effect of Problem Based Learning strategy

combined by Jigsaw towards critical thinking ability in the tenth grade students of Senior High

School in Jember district. The research design was quasi-experiment. Pre-test and post-test non-equivalent control groups design was implemented. The population of this research is all of tenth

grade students of senior high school in Jember in the academic year 2014/2015. The sample of this

research is the students of 10

th

Natural Science (IPA) 3 class as the control group, and then 10

th

IPA

1, 10

th

IPA 2, and 10

th

IPA 4 as the experimental group. The technique of collecting sample was done

by using simple random sampling. The data was taken by giving essay test. Moreover, the

Hypothesis of the test was using Anakova’s formula. Before doing the hypothesis test, normality

test was implemented by using Kolmogorov-Smirnov Anakova’s formula, and the homogeneity test

was carried out by Levene’s Test formula to know whether the distribution is normal and

homogenous. Thus, based on the data analysis result and discussion, it can be concluded that result

of Anacova test showed that the critical thinking ability has p value = 0.729 bigger than α = 0.05,

which showed that learning strategy did not exert any influences towards critical thinking capability.

Keywords: problem based learning, jigsaw, critical thinking

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PDF#### References

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