Kemampuan Mencipta 1.13 2.08 1.91 KESIMPULAN DAN SARAN
184
Lampiran 4.3 Uji Perbedaan Kemampuan Awal
Group Statistics
Kelompok N
Mean Std.
Deviation Std. Error
Mean PreKon
EksEv Pretest Kontrol
Evaluasi 25 1.7472
.55562 .11112
Pretest Eksperimen Evaluasi
25 1.6660 .70086
.14017
Independent Samples Test
Levenes Test for
Equality of Variances
t-test for Equality of Means
F Sig.
t df
Sig. 2-
taile d
Mean Differe
nce Std.
Error Differe
nce 95 Confidence
Interval of the Difference
Lower Upper
Pre Kon
Eks Ev
Equal variances
assumed 3.779 .058 .454
48 .652 .08120 .17888 -.27846 .44086 Equal
variances not assumed
.454 45.625 .652 .08120 .17888 -.27894 .44134
185
Lampiran 4.4 Uji Signifikansi Pengaruh Perlakuan
Group Statistics
Kelompok N
Mean Std.
Deviatio n
Std. Error
Mean
SelKon EksEv
Selisih Kontrol
Evaluasi 25 1.6388
.73895 .14779
Selisih Eksperimen
Evaluasi 25 2.2404
.97016 .19403
Independent Samples Test
Levenes Test for
Equality of Variances
t-test for Equality of Means
F Sig.
t df
Sig. 2-
tailed Mean
Differe nce
Std. Error
Differe nce
95 Confidence Interval of the
Difference Lower
Upper
SelKon EksEv
Equal variances
assumed 1.772 .189 -2.467
48 .017 -.60160 .24391 -1.09201
-.11119 Equal
variances not
assumed -2.467 44.835
.018 -.60160 .24391 -1.09290 -.11030
186
Lampiran 4.5 Uji Peningkatan Skor Pretest-Posttest I
Paired Samples Statistics
Mean N
Std. Deviat
ion Std.
Error Mean
Pair 1 Post1KonEv 3.3860
25 .54202 .10840 PreKonEv
1.7472 25 .55562 .11112
Pair 2 Post1EksEv
3.9064 25 .57434 .11487
PreEksEv 1.6660
25 .70086 .14017
Paired Samples Correlations
N Correlation Sig.
Pair 1 Post1KonEv PreKonEv 25
.094 .656 Pair 2 Post1EksEv PreEksEv
25 -.149 .477
Paired Samples Test
Paired Differences t
df Sig. 2-
taile d
Mean Std.
Deviat ion
Std. Error
Mean 95 Confidence
Interval of the Difference
Lower Upper
Pair 1 Post1KonEv
- PreKonEv 1.63880 .73895 .14779 1.33377 1.94383 11.089 24 .000
Pair 2 Post1EksEv
- PreEksEv 2.24040 .97016 .19403 1.83994 2.64086 11.547 24 .000
187
Lampiran 4.6 Uji Korelasi Pretest-Posttest I
Correlations
PreKonEv Post1KonEv
PreKonEv Pearson Correlation
1 .094
Sig. 2-tailed .656
N 25
25 Post1KonEv
Pearson Correlation .094
1 Sig. 2-tailed
.656 N
25 25
Correlations
PreEksEv Post1EksEv
PreEksEv Pearson Correlation
1 -.149
Sig. 2-tailed .477
N 25
25 Post1EksEv
Pearson Correlation -.149
1 Sig. 2-tailed
.477 N
25 25
188
Lampiran 4.7 Uji Besar Pengaruh Perlakuan effect size a.
Effect Size keseluruhan nilai t diambil dari independent samples t-test
r = √
Persentasi efek perlakuan keseluruhan
r = √
R
2
= r
2
× 100
r = √
R
2
= 0.33
2
× 100
r = √
R
2
= 0.11 × 100 r =
√ R
2
= 11 r =