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THE INFLUENCE OF CRITICAL THINKING DEVELOPMENT USING CHEMISTRY MODULE TO INCREASE STUDENTS’ ACHIEVEMENT IN BUFFER SOLUTION TOPIC GRADE XI PISS SSHS 1 BERASTAGI
Romaito Junita Siregar

State University of Medan


Abstract

The influence of critical thinking development in learning Buffer Solution concept through chemistry module to increase students’ achievement grade XI was explained in this thesis. The study was aimed to know the propriety level of chemistry module, knowing the effect of using the chemistry module that developing the critical thinking of students, and also to know the effect of the chemistry module to increase students’ achievement. The population in this study are all students in PISS (Pioneering of International Standard School) State Senior High School 1 Berastagi grade XI Science in Karo District. The sample of this study consisted of two classes which is categorized as one experiment class and the other one as control class. The instruments are using multiple choice test to see the students’ achievement and essay test to measure the critical thinking development. The instrument of research is standardized by used validity and reliability test.

The propriety level of buffer solution module that developing the critical thinking of student is 97.5%. Based on data analysis obtained average value of initial test (pre-test) in the experiment class is (23.28 ± 6.30), while in the control class is (28.91 ± 5.642). While average value of post-test in the experiment class is (86.25 ± 8.89), while in the control class is (81.09 ± 6.688). The students’ achievement from normalized gain which taught by the critical thinking development module is 83% whereas in the control class (with common module) is 74%. The statistic analysis shows difference significant with t count (3.75) > t table (1.6589). And the correlation between students’ achievement and critical thinking average is r = 0.96. So, we concluded that students’ achievement which taught by the module is higher than students’ achievement in control class, and there is a positive correlation between critical thinking skill with students’ achievement (Gain).

Topic: Curriculum, Research and Development

PermaLink: http://aisteel2017.unimed.ac.id/kfz/pages/abstract.php?id=446


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