Abstract :
The objectives of this study are to find out whether or not there is a significant
improvement on the eleventh grade students? expository reading achievement who are
taught by using PSRT strategy at SMA Aisyiyah 1 Palembang before and after the
treatment and to find out whether or not there is a significant difference on the eleventh
grade students? expository reading achievement between those who are taught by using
PSRT strategy and those who are not at SMA Aisyiyah 1 Palembang. This study used
quasi-experimental design using non equivalent pretest-posttest design. The population of
this study was all the eleventh grade students of SMA Aisyiyah 1 Palembang which
consisted of 97 students. The sample of this study was taken by using purposive sampling
technique. The total number of the sample was 64 students. The sample of this study was
of the XI.B (control group) which consisted of 32 students and XI.A (experimental group)
which consisted of 32 students. In collecting the data, the writer used test. The test was
multiple choice test. The test was given twice to experimental and control groups, as a
pretest and posttest. To verify the hyphoteses, the data pretest and posttest of the
experimental and control groups were analyzed by using paired sample t-test and
independent sample t-test in SPSS. The findings showed that Firstly, there was significant
improvement on the eleventh grade students? expository reading achievement who were
taught by using PSRT strategy. It can be seen from the students? pretest to posttest scores
that p-output (0.000) was lower than 0.05 level and t-value 12.430 was higher than df=32
(2.037). It could be concluded that the null hypothesis (Ho) was rejected, and the
alternative hypothesis (Ha) was accepted. Secondly, there was significant difference on
the eleventh grade students? expository reading achievement between the students those
who were taught by using PSRT strategy and those who were not at SMA Aisyiyah 1
Palembang. It can be seen the students? pretest to posttest scores that p-output (0.002)
was lower than 0.05 level and t-value 3.042 was higher than df=62 (1.999). It could be
stated that the null hypothesis (Ho) was rejected, and the alternative hypothesis (Ha) was
accepted. Therefore, the result of this study is expected to contribute something for the
development of the process of English teaching and learning especially for the teaching of
expository reading text.