40minutes. The result of pretest was compared with the posttest. The researchertook the st
udents‟ score to know their conditional sentence mastery before givingthe treatment.
2. Posttest A Posttest is a measure on some attribute or characteristic that is assessed for
participants in an experiment after a treatment.
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The second is posttest which administered to the student in the class after the treatments to find out whether their
ability to memorize some cnditional sentence increased or not, similar to the pretest, in the posttest the researcher used objective test in multiple choices. The post test
wasadministered after given the pre- test and the treatment to know the students‟
conditional sentence mastery.The posttest has 25 items in 40 minutes time allocation. The type of questions in conditional sentence is Multiple Choice Test and it has same
difficulty and the scoring system as in the pretest.
F. Instrument of the Research
According to Margono, “the research instrument is a device used by the researcher in
collecting data by which the work is easier as the data are complete and syste
matic”.
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In this research, the instrument of pre-test and posttest is Multiple Choice test which has 40 questions before validity testand the case is conditional
72
John W. Creswell,Op.Cit, p. 297
73
Margono, Metodologi Penelitian Pendidikan Jakarta: Rineka Cipta, 2007,p.155
sentence type I with four options a, b, c, and d. The researcher used themes to express habitual activity or situation, established or predictable fact, and particular
ativity or situation in the future which includedpossitive, negative, and introgative form. The highest score the students could attain is 100 points and the lowest score is
0. The following is the table of the test specifications for pre- and posttest before validity test.
Table 7 The Test Spesifications For Pretest and Posttest before Validity Test
No Aspect
Number of items Pre-test
total Post-test
total Odd
even odd
Even 1
To express a habitual activity or situation in the
positive form 1,3,5
2,4 5
1,3,5 2,4
5
2
To express a habitual activity or situation in the
negative form 7,9
6,8,10 5
7,9 6,8,10
5
3
To express a habitual activity or situation in the
introgative form 11, 13
12,14 4
11,13 12,14
4
4
To express anestablished, predictable fact or general
truth in the positive form 15,
17, 19 16,18
5 15,
17, 19 16,18
5
5
To express an established, predictable fact or general
truth in the negative form 21
20,22, 24
4 21
20,22, 24
4
6
To express an established, predictable fact or general
truth in the introgative form
23,25 26,28
4 23,25
26,28 4
7 To express a particular
27,29, 30,32
5 27,29,
30,32 5
