166
Lampiran 4.9 Hasil Uji SPSS Korelasi antara Rerata Pretest dan Posttest I 4.9.1 Kemampuan Evaluasi
4.9.1.1 Uji Korelasi Kelompok Kontrol
Correlations
PreEvaKon Post1EvaKon
PreEvaKon Pearson Correlation
1 ,638
Sig. 2-tailed ,000
N 30
30 Post1EvaKon
Pearson Correlation ,638
1 Sig. 2-tailed
,000 N
30 30
. Correlation is significant at the 0.01 level 2-tailed.
4.9.1.2 Uji Korelasi Kelompok Eksperimen
Correlations
PreEvaEks Post1EvaEks
PreEvaEks Pearson Correlation
1 ,730
Sig. 2-tailed ,000
N 26
26 Post1EvaEks
Pearson Correlation ,730
1 Sig. 2-tailed
,000 N
26 26
. Correlation is significant at the 0.01 level 2-tailed.
167
4.9.2 Kemampuan Inferensi 4.9.2.1 Uji Korelasi Kelompok Kontrol
Correlations PreInfKon
Post1InfKon PreInfKon
Pearson Correlation 1
,574 Sig. 2-tailed
,001 N
30 30
Post1InfKon Pearson Correlation
,574 1
Sig. 2-tailed ,001
N 30
30 . Correlation is significant at the 0.01 level 2-tailed.
Correlations PreInfEks
Post1InfEks PreInfEks
Pearson Correlation 1
,619 Sig. 2-tailed
,001 N
26 26
Post1InfEks Pearson Correlation
,619 1
Sig. 2-tailed ,001
N 26
26 . Correlation is significant at the 0.01 level 2-tailed.
168
Lampiran 4.10 Hasil Uji Retensi Perlakuan 4.10.1 Kemampuan Evaluasi
4.10.1.1 Hasil SPSS Uji Retensi Perlakuan
Paired Samples Statistics Mean
N Std.
Deviation Std. Error
Mean Pair 1
Post1EvaKon 3,0400
30 ,46584
,08505 Post2EvaKon
2,5558 30
,44636 ,08149
Pair 2 Post1EvaEks
3,2692 26
,49906 ,09787
Post2EvaEks 2,8000
26 ,48990
,09608
Paired Samples Correlations
N Correlation
Sig. Pair
1 Post1EvaKon
Post2EvaKon 30
,373 ,042
Pair 2
Post1EvaEks Post2EvaEks
26 ,189
,355
Paired Samples Test
Paired Differences
t df
Sig. 2-
tailed Mean
Std. Deviation
Std. Error
Mean 95 Confidence
Interval of the Difference
Lower Upper
Pair 1
Post1EvaKon - Post2EvaKon
,48420 ,51096
,09329 ,29340
,67499 5,190
29 ,000
Pair 2
Post1EvaEks - Post2EvaEks
,46923 ,62977
,12351 ,21486
,72360 3,799
25 ,001
169
4.10.1.2 Perhitungan Persentase Peningkatan Skor Posttest I ke Posttest II Persentase Peningkatan Rerata Posttest Ike Posttest II Kemampuan Evaluasi
Kelompok Kontrol Kelompok Eksperimen
Persentase =
–
× 100 =
–
× 100 =
× 100 = -0,16 × 100
= 16 Persentase
=
–
× 100 =
–
× 100 =
× 100 = -0,14 × 100
= 14
4.10.2 Kemampuan Inferensi 4.10.2.1 Hasil SPSS Uji Retensi Perlakuan
Paired Samples Statistics
Mean N
Std. Deviation
Std. Error Mean
Pair 1 Post1InfKon
2,6667 30
,50287 ,09181
Post2InfKon 2,3951
30 ,44667
,08155 Pair 2
Post1InfEks 3,1923
26 ,46354
,09091 Post2InfEks
3,0133 26
,49423 ,09693
Paired Samples Correlations
N Correlation
Sig. Pair 1
Post1InfKon Post2InfKon
30 ,014
,942 Pair 2
Post1InfEks Post2InfEks
26 ,473
,015
170
Paired Samples Test
Paired Differences
t df
Sig. 2- tailed
Mean Std.
Deviation Std.
Error Mean
95 Confidence
Interval of the Difference
Lower Upper
Pair 1 Post1Inf
Kon - Post2Inf
Kon ,27161
,66794 ,12195 ,02219 ,52102
2,227 29
,034 Pair 2
Post1Inf Eks -
Post2Inf Eks
,17897 ,49219
,09653 -
,01982 ,37777
1,854 25
,076
4.10.2.2 Perhitungan Persentase Peningkatan Skor Posttest I ke Posttest II Persentase Peningkatan Rerata Posttest Ike Posttest II Kemampuan Evaluasi
Kelompok Kontrol Kelompok Eksperimen
Persentase =
–
× 100 =
–
× 100 =
× 100 = -0,10 × 100
= 10 Persentase
=
–
× 100 =
–
× 100 =
× 100 = -0,05× 100
= 5