Page 155 - IJET_July2021_final

Review of Data interval level and difference between
the two means proves highly significant.
Table-2 shows the result of the T-Test
performed on the data of the pre-test Therefore, it can be concluded that
and the post-test conducted on the there is a significant difference in the
sample. It was a two tailed test. Here, mean scores of the poor readers of
the df or degree of freedom (df) is 58. English of the Bengali medium school
The T-value is 15.943. The T-value is between the pre-test and the post-test.
tallied at the 99 percent confidence
Table-3: Four pre-tests and post-tests

Std. Std. Error
Mean N
Deviation Mean
Pair 1 Post-test 19.64 59 6.982 .909
Pre-test 12.27 59 8.111 1.056
Pair 2 Post-test of 3.80 60 1.054 .136
Confidence
Pre-test of 2.73 60 1.260 .163
Confidence
Pair 3 Post-test of 3.28 60 1.236 .160
Fluency
Pre-test of 2.27 60 1.287 .166
Fluency
Pair 4 Post-test of
Pronunciation 2.90 60 1.115 .144

Difference of Means, Standard test is 3.80. The standard deviation from
Deviation and Standard Error of mean of the pre-test is 1.260 while that
Mean of the Pre-tests and the of the post-test is 1.054. The standard
Post-tests error of mean of the pre-test is 0.163.
The standard error of mean of the post-
Table-3 lists out all the four pre-tests
and post-tests conducted in this test is 0.136.
experiment. The overall pre-test and The second head is fluency. Here too, we
post-test has been discussed already. notice a difference between the mean
However, to understand the impact of of the pre-test and that of the post-test.
the treatment more precisely we have The mean of the pre-test is 2.27. The
split the data further, under these three mean of the post-test is 3.28. Standard
heads, namely- Confidence, Fluency and deviation from the mean of the pre-test
Pronunciation. is 1.287 whereas the standard deviation
from mean of the post-test is 1.236. The
The first head is confidence. The mean
of the pre-test of this head is 2.73. On standard error of mean in the pre-test
the other hand, the mean of the post- is 0.166. The standard error of mean in

Indian Journal of Educational Technology 145
Volume 3, Issue 2, July 2021