a response variable or output. It is an observed aspect of the behavior of an organism that has been stimulated. The dependent variable is that factor which is
observed and measured to determine the effect of the independent variable, that is, that factor that appears, disappears, or varies as the experimenter introduces,
removes, or varies the independent variable. Tuckman 1978:58. The two variables in this research are:
1 Independent variable in this study is the method of teaching written analytical exposition text of both groups. The experimental group is
taught by using Indonesia Now video, while the other, the control group is taught by using written text.
2 Dependent variable in this study is the students‟ achievement in the test
score.
3.5 Instrument for Collecting Data
Instrument is the tools which researcher uses to collect the data. Instrument can be in a form of questions list, observation sheet, interview record, test and etc.
Kerlinger 1965:481 states that “an instrument plays an important role in a study in the sense that reliability of the instrument will influence the reliability of the
data obtained.” In this study, the writer used Indonesia Now Video and test as the instrument.
3.5.1 Indonesia Now Video
Audio-visual or video are selected in term of their attractiveness and appropriateness to the students. The writer think Indonesia Now Video which
consist of information about news and events around the world was proper to be used as a media to improve students
‟ mastery in writing analytical exposition text to the senior high school students.
3.5.2 Test
“A test, in simple terms is a method of measuring a person‟s ability, knowledge, or performance in a given domain
” Brown, H. D. 2004: 3. The test the researcher used was a test of written analytical exposition text by using Indonesia
Now Video
3.6 Procedure of Experiment
In every experiment an outline or steps of experiment is very important. It is the guideline in conducting an experiment.
In this experiment the writer conducted the following steps: 1 chose the eleventh year students of SMA N 1 Tegal as population,
2 took two groups of students as the sample: one as the experimental group and the other as the control group. The experimental group was XI IPA 6 class and
the control one was XI IPA 5 class.
3 Conducted the real experiment
The activities in the experimental group are: 1
Pre-test Pre-test in the experimental group was given before doing the experiment.
It was held on May 16, 2011. I came to the class and introduced myself. I explained to the students what they were going to do. Then he asked the
students to do the pre-test. 2
Activities in the experimentation The writer explained analytical exposition text by using Indonesia Now
Video. Materials
Media Dates
Generic structure grammatical features of
analytical exposition text text, hand out
May 19, 2011
Significance lexicogrammatical
feature of
nalytical exposition text
Indonesia Now Video hand out
May 21, 2011
Composition Indonesia Now Video,
hand out May 23, 2011
3 Post-test
Post-test in the experimental group was given after doing the experiment. It was held on May 26, 2011, at SMA N 1 Tegal.
The activities in the control group: 4
Pre-test Pre-test in the experimental group was given before doing the experiment.
It was held on May 16, 2011. I came to the class and introduced myself. I explained to the students what they were going to do. Then the writer
asked the students to do the pre-test. 5
Activities in the experimentation The writer explained analytical exposition text by using Indonesia Now
Video. Materials
Media Dates
Generic structure and grammatical features of
analytical exposition text text, hand out
May 19, 2011
Simple present tense text, hand out
May 21 , 2011 Composition
text, hand out May 23, 2011
6 Post-test
Post-test in the experimental group was given after doing the experiment. It was held on May 26, 2011, at SMA N 1 Tegal.
3.7 Scoring Technique
