THE INFLUENCE OF CRITICAL THINKING DEVELOPMENT IN LEARNING SALT HYDROLYSIS CONCEPT THROUGH CHEMISTRY MODULES TO INCREASE STUDENTS ACHIEVEMENT GRADE XI
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Institusion
Universitas Negeri Medan
Author
Vika Hardila (STUDENT ID : 408131098)
Iis Siti Jahro (LECTURER ID : 196510151992032003)
Iis Siti Jahro (LECTURER ID : 196510151992032003)
Subject
LB Theory and practice of education
Datestamp
2016-08-12 08:20:06
Abstract :
The influence of critical thinking development in learning salt hydrolysis concept through chemistry module to increase students achievement grade XI is explained in this thesis. The study is aimed to determine the students achievement in teaching of salt hydrolysis by using the development of critical thinking through chemistry module. The population in this study were all students in RSBI SMA Negeri 1 Berastagi grade XI in Karo District. The sample of this study is two classes which is categorized as one experiment class and the other one serve as control class. The instrument of research is standardized by measured validity and reliability test. Chemistry module which develop the critical thinking skill has the propriety level equal to 97.5%. Based on data analysis obtained average value of initial test (pre-test) in experimental class is (19.44 ± 8.47), while in control class is (22.74 ± 7.24); both of them have low achievement. While average value of post-test in experimental class is (79.17 ± 7.73), while in control class is (72.57 ± 7.59). The students achievement from normalized gain which taught using critical thinking development through module is 74% whereas in control class (with common module) is 61%. The statistic analysis shows difference significant with tcount (5.169) > t table (1.671). There is the positive correlation between the average value of students achievement in solving the critical thinking problem with the increasing of students achievement (gain) where the value of r=0.56.. So, we concluded that the students achievement which taught by using module that develop critical thinking is higher than students achievement in control class.
The influence of critical thinking development in learning salt hydrolysis concept through chemistry module to increase students achievement grade XI is explained in this thesis. The study is aimed to determine the students achievement in teaching of salt hydrolysis by using the development of critical thinking through chemistry module. The population in this study were all students in RSBI SMA Negeri 1 Berastagi grade XI in Karo District. The sample of this study is two classes which is categorized as one experiment class and the other one serve as control class. The instrument of research is standardized by measured validity and reliability test. Chemistry module which develop the critical thinking skill has the propriety level equal to 97.5%. Based on data analysis obtained average value of initial test (pre-test) in experimental class is (19.44 ± 8.47), while in control class is (22.74 ± 7.24); both of them have low achievement. While average value of post-test in experimental class is (79.17 ± 7.73), while in control class is (72.57 ± 7.59). The students achievement from normalized gain which taught using critical thinking development through module is 74% whereas in control class (with common module) is 61%. The statistic analysis shows difference significant with tcount (5.169) > t table (1.671). There is the positive correlation between the average value of students achievement in solving the critical thinking problem with the increasing of students achievement (gain) where the value of r=0.56.. So, we concluded that the students achievement which taught by using module that develop critical thinking is higher than students achievement in control class.
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