e. After the participants had already finished this test, their responses were copied to be rated by two raters. The first rater is an English teacher who
had an experience in conducting a research on writing ability, whereas the second rater is the writerresearcher himself who is currently taking
Bachelor degree at Department of English Education of Syarif Hidayatullah State Islamic University Jakarta.
F. Technique of Data Analysis
To analyze the data, the Pearson Product Moment correlation was employed. In addition, computer software such as Microsoft Office Excel 2007
and SPSS version 18.0 were utilized to assist the writer in analyzing the data of this study.
G. Statistical Hypothesis
The non-directional two-tail test was used in terms of the statistical hypotheses, which is presented as follows:
1. H : r = 0 or if r
xy
rt , H
is accepted, and H
a
is rejected; 2. H
a
: r ≠ 0 or if r
xy
rt , H
a
is accepted, and H is rejected.
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CHAPTER IV RESEARCH FINDINGS AND DISCUSSIONS
This chapter reports and discusses the research findings from the data that had been already collected. The findings and discussions are elaborated in data
description, testing hypotheses, research discussions, and limitations or challenges that were found as the research was being conducted.
A. Data Description 1. Critical Thinking Ability Data
The critical thinking ability of the sixth semester students of Department of English Education is determined by calculating the number of the correct
responses in the critical thinking test. This is illustrated in Figure 4.1 as follows:
Figure 4.1 Histogram of Frequency Distribution of Critical Thinking Ability
Figure 4.1 above reveals that from 60 participants conducting the critical thinking test, the most frequently occurring scores Mode are at the grouped
score or interval score 45.93 −52.22 with 20 participants. Besides, 5 participants
are found to have the highest score indicated by the last highest interval score 64.83−71.12, and 2 participants are in the last lowest interval score 27.03−33.32.
Moreover, the description of the critical thinking ability data is described in detail in Table 4.1 as follows:
5 10
15 20
25
F re
qu ency
Grouped Score
