Table 1. Class Distribution
Class Number of Students
Information
XI Social 1 28
Experimental Class XI Social 2
27 Control Class
E. Research Instrument
In principle researching was taking measurement both towards social and natural phonomena hence there had to be an accurate measuring tool. Suharsimi
Arikunto 2006: 134 proposed that instrument of data collection was an aid selected and employed by the researcher in the process of collecting data for this
process being systematic and efficient. The instrument employed in this study was self-confidence and learning independence questionnaire.
a. Instrument of Self-confidence and Learning Independence were in the form of Pre-Test and Post-Test
Instrument of Self-confidence and Learning Independence were the written questions employed to collect information from the respondents
before and after treatment. This instrument was employed to collect data of students’ self-confidence and learning independence. Instrument of self-
confidence was adapted from Nunur Yuliana Dewi 2012, while instrument of learning independence was adapted from Mohammad Taufik 2011.
Instrument in the form of questionnaire in this study was that had been fill in with the choice answers and therefore the respondents only needed to
select the answers provided. Four scales of measurement employed in the
instrument included Agree A, Disagree DA, Strongly Agree SA, Strongly Disagree SDA, with the score for each item was 4, 3, 2, 1 for
positive questions and 1, 2, 3, 4 for negative questions. The following was the blueprint for instrument making in this study.
Table 2. Gratings for Instrument of Self-Confidence
Number Indicator
Item Number Total
1 Communication
1,2,3,4,5 5
2 Firmness
6,7,8,9,10 5
3 Self-image
11,12 2
4 Patience
13,14,15 3
5 Self-respect
16,17,18,19 4
6 Self-awareness
20,21,22 3
7 Commitment
23,24,25 3
8 Positive thinking
26,27,28,29,20,31,32 7
Total 32
: Item of negative questions Source: Nunur Yuliana Dewi, 2012
Table 3. Gratings for Instrument of Learning Independence
Number Indicator
Item Number Total
1 Dynamism
1,2,3,4 4
2 Self-confidence
5,6,7 3
3 Integrity
8,9,10,11,12 5
4 Autonomy
13,14,15,16,17 5
5 Responsibility
18,19,20,21,22,23 6
6 Initiative
24,25,26,27 4
Total 27
: Item for negative questions Source: Mohammad Taufik, 2011
F. Instrument Test
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