16 learning styles as X variable and the dependent variable of the research is
students’ English achievement as Y variable.
D. The Population and Sample
In this Skripsi, the writer took the population of the second grade stu dents SMA N 1 Sepatan Tangerang 20092010 academic years includes four classes of
Social Science Program and three classes of Natural Science Program .
Table 3.1 Numbers of Students at Second Grade SMA Negeri 1 Sepatan 20092010
Academic Years
CLASS STUDENTS
MEN WOMEN
TOTAL XI S 1
17 22
39 XI S2
20 20
40 XI S3
18 21
39 XI S4
16 21
37 XI A1
15 24
39 XI A2
12 27
39 XI A3
15 23
38
TOTAL 113
158 271
Source: TU SMA NEGERI 1 Sepatan.
From the population above, the writer, then, chose 30 students from whole class by using sampling stratified technique; the population is stratified into its
subpopulation, with considering random number table to get the sample of research see appendix.
The steps to select the sample are arranged as fo llow: 1. Analyzing the questionnaire to determine the learning styles. Then make
strata of each style. 2.
Grouping the strata of style into two parts; auditory learning style and visual learning style.
17 3.
Chosen sample for each strata or group was done by using Random Number Table.
E. The Instrumentation
The instrument of research was used by the writer in collecting data is a questionnaire which is formulated and designed based on the indicators of the
variables. The writer quotes the questionnaire from Joy M Reid in Understanding
Learning Styles in the Second Language Classroom . The questionnaire consists 30 items in the Likert Scale Form; a scale with a number of points or spaces,
usually at least three but no more than seven see appendixes. The illustration of questionnaire can be seen as follows:
1. Students’ Learning Style
a. conceptual definition Learning style is students’ preferences in how they use their abilities of
acquiring, using and thinking about knowledge. b. operational definition
Learning styles is the scores that the samples obtained after they answered questionnaire items about learning styles, for following
indicators; Audio Learning Style an d Visual Learning Style. Each statement of questionnaire has four options and different point of
each option; strongly agree has four points, agree has three points, disagree has two points, strongly disagree has one points by considering likert scale
of questionnaire see appendixes. c. Specification of instrument
The instrument consists of 30 items about students’ learning styles that contains two major indicators, as shown in the following table :
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