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CHAPTER IV THE RESEARCH FINDINGS AND DISCUSSION
A. The Research Findings
1. The Validations of Instruments
The instruments used in this research were lesson plan, learning discipline questionnaire, social maturity questionnaire, and pencil-paper test to
measure students’ achievements. The questionnaires of learning discipline and social maturity were validated by three chemistry lecturers, and a counseling
teacher. The validation statements are attached on Appendix 1. The questionnaires were also tested to 31 senior high school students. The test
instrument a pencil-paper test was validated by a chemistry lecturer supervisor and two chemistry teachers of State Senior High School 1
Purworejo. Like the questionnaires, the test instrument was also tested to the students for external validation purpose. The result of validations of
questionnaires and test can be seen on Appendix 2. 2.
The Data of Research The data of the researc
h were students’ prior knowledge in chemistry, learning discipline before and after learning, and learning discipline before
and after learning a.
The Data of Prior Knowledge of the Students Data of students’ prior knowledge were documental collected, that were
the marks of final examination results in previous semester. Data of students’ prior knowledge were listed on Table 6.
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Table 6. The Data of Students’ Prior Knowledge Variables
Prior knowledge Treatment class
Control Class The number of students
32 32
The highest mark 91
89 The lowest mark
49 50
The average 73.7
74.8 The marks 70
10 6
The marks 70-80 10
16 The marks 80-90
11 10
The marks 90 1
b. The Students’ Achievement
The data of students’ achievement were measured by using objective and subjective test. The data were depicted on Table 7.
Table 7. The Data of Students’ Achievement Variables
Students’ Achievement Treatment class
Control Class The number of students
32 32
The highest mark 96.4
94.6 The lowest mark
63 58
The average 84.3
75.1 The marks 70
8 The marks 70-80
7 7
The marks 80-90 20
5 The marks 90
5 12
c. The Data of Learning Discipline
The data of learning discipline of the students were collected by using the questionnaires of leaning discipline. The data of students’ learning discipline
at first and final learning process were listed on Table 8.
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Table 8. The Data of Learning Discipline Note
Treatment class Control Class
Before After
Before After
The number of students 32
32 32
32 The average
46.46 50.53
47.78 50.28
The difference 4.07
2.50 d.
The Data of Social Maturity The data of students’ social maturity were collected by using of questionnaires
of social maturity. The data of students’ learning maturity were depicted on Table 9.
Table 9. The Data of Social Maturity Note
Treatment class Control Class
Before After
Before After
The number of students 32
32 32
32 The average
62.40 62.84
60.78 62.21
The difference 0.44
1.43
B. Data Analysis and Discussion
