Data Analysis Technique METHODOLOGY
Research and Information Collecting, the interviews were conducted in the form of open-ended questions to five English teachers of SMKN 5 Yogyakarta. From
Research and Information Collecting, the data gathered from five English teachers of SMKN 5 Yogyakarta
would be analyzed in the form of narrative description. In the Preliminary Field Testing, the questionnaire was distributed in the form
of Likert scale item close-ended questions and open-ended questions to five English teachers of SMKN 5 Yogyakarta and two English Language Education
lecturers of Sanata Dharma University. According to Ary, Jacobs, and Razavieh 1990: 235, in Likert scale item close-ended questions, the judgment of the
participants’ statements on the questionnaire uses five degree of agreement. They are:
Table 2: Degree of Agreement
Degree of Agreement Meaning
1 Strongly Disagree
2 Disagree
3 Doubt
4 Agree
5 Strongly Agree
From Preliminary Field Testing, the data gained from the research participants would be analyzed to find out the central tendency of the participants’ opinions about
the designed materials. According to Ary, Jacobs, and Razavieh 1990: 127, central tendency is regarded as the proper way of concluding the data because it represents
the whole set of measurement. The measurement of central tendency or average is known as the mean, median, and mode. They are presented as follows:
Table 3: The Descriptive Statistics of Participants’ Opinions Blank
Frequency of the Degree of
Agreement Central Tendency
No. Participant’s Opinion on ...
1 2
3 4
5 N
Mn Mdn
Md
Note:
N : Number of participants
Mn : Mean
Mdn : Median
Md : Mode
According to Ary, Jacobs, and Razavieh 1990: 127-132, mean is the average point that is counted by adding all the points and divided them by the number of
questions. The median is the middle point of the odd ordered data from the smallest point into the biggest ones or the average to the middle points from the even ordered
data. The mode is the points that frequently appear in the data. The formulation of mean is presented below:
where X = Mean
= Sum of X = Score
N = Number of participants __
X =
X N
For the open-ended questions, the data were analyzed in the form of narrative description. It presented the data about teacher’s opinions and comments toward the
designed materials. Finally, some revisions and improvement toward the designed materials could be made on the basis of the results from the materials evaluation.
In addition, from the Preliminary Field Testing, it could gain the data about the participants’ educational background. The description of the participants was
presented in the following table:
Table 4: The Description of the Research Participants Blank
Sex Educational
Background Teaching Experiences
in years Group of
Participants No
M F
S1 S2
S3 1-5
6-10 11-15
16-20 20
1. 2.
3. 4.
English teachers of SMKN 5
Yogyakarta
5. 1.
English Language
Education lecturers of Sanata Dharma
University
2.
Total