E. Penghitungan uji-t
1. Uji-t Sampel Bebas Data Pretest Kelompok Kontrol dan Kelompok
Eksperimen
Group Statistics
kelas N
Mean Std. Deviation
Std. Error Mean uji t sampel pretest
kontrol 33
19.1212 2.20451
.38376 eksperimen
33 19.0909
2.77673 .48337
Independent Samples Test
uji t sampel pretest Equal variances
assumed Equal variances
not assumed Levenes Test for Equality of
Variances F
2.834 Sig.
.097 t-test for Equality of Means
t .049
.049 df
64 60.870
Sig. 2-tailed .961
.961 Mean Difference
.03030 .03030
Std. Error Difference .61718
.61718 95 Confidence Interval of
the Difference Lower
-1.20266 -1.20388
Upper 1.26326
1.26448
2. Uji-t Sampel Bebas Data Posttest Kelompok Kontrol dan Kelompok
Eksperimen
Group Statistics
kelas N
Mean Std. Deviation
Std. Error Mean uji t sampel posttest
kontrol 33
20.9394 2.06063
.35871 eksperimen
33 22.7576
2.66962 .46472
Independent Samples Test
uji t sampel posttest Equal variances
assumed Equal variances
not assumed Levenes Test for Equality of
Variances F
3.034 Sig.
.086 t-test for Equality of Means
t -3.097
-3.097 df
64 60.142
Sig. 2-tailed .003
.003 Mean Difference
-1.81818 -1.81818
Std. Error Difference .58706
.58706 95 Confidence Interval of
the Difference Lower
-2.99097 -2.99242
Upper -.64539
-.64394
3. Uji-t Sampel Berhubungan Data Pretest dan Posttest Kelompok Kontrol
Paired Samples Statistics
Mean N
Std. Deviation Std. Error Mean
Pair 1 pretest kontrol
19.1212 33
2.20451 .38376
posttest kontrol 20.9394
33 2.06063
.35871
Paired Samples Correlations
N Correlation
Sig. Pair 1
pretest kontrol posttest kontrol
33 .731
.000
Paired Samples Test
Pair 1 pretest kontrol -
posttest kontrol Paired Differences
Mean -1.81818
Std. Deviation 1.57032
Std. Error Mean .27336
95 Confidence Interval of the Difference
Lower -2.37499
Upper -1.26137
t -6.651
df 32
Sig. 2-tailed .000
4. Uji-t Sampel Berhubungan Data Pretest dan Posttest Kelompok
Eksperimen
Paired Samples Statistics
Mean N
Std. Deviation Std. Error Mean
Pair 1 pretest eksperimen
19.0909 33
2.77673 .48337
posttest eksperimen 22.7576
33 2.66962
.46472
Paired Samples Correlations
N Correlation
Sig. Pair 1
pretest eksperimen posttest eksperimen
33 .619
.000
Paired Samples Test
Pair 1 pretest
eksperimen - posttest
eksperimen Paired Differences
Mean -3.66667
Std. Deviation 2.38048
Std. Error Mean .41439
95 Confidence Interval of the Difference
Lower -4.51075
Upper -2.82259
t -8.848
df 32
Sig. 2-tailed .000
LAMPIRAN
II
INSTRUMEN PENELITIAN
A. Pedoman Penilaian
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