Hasil Uji Normalitas Pretest Kelompok Eksperimen Hasil Uji Normalitas Posttest Kelompok Kontrol

J. Uji Homogenitas Varian Pretest Kelompok Kontrol dan Kelompok

Eksperimen Oneway Descriptives skor pretest N Mean Std. Deviation Std. Error 95 Confidence Interval for Mean Minimum Maximum Lower Bound Upper Bound Pretes K.K 29 69.8276 6.39234 1.18703 67.3961 72.2591 58.00 80.00 Pretes K.E 29 69.2414 5.51398 1.02392 67.1440 71.3388 58.00 81.00 Total 58 69.5345 5.92413 .77788 67.9768 71.0922 58.00 81.00 Test of Homogeneity of Variances skor pretest Levene Statistic df1 df2 Sig. 1.273 1 56 .264 ANOVA skor pretest Sum of Squares Df Mean Square F Sig. Between Groups 4.983 1 4.983 .140 .710 Within Groups 1995.448 56 35.633 Total 2000.431 57

K. Uji Homogenitas Varians Posttest Kelompok Kontrol dan Kelompok Eksperimen

Oneway Descriptives skor postes N Mean Std. Deviation Std. Error 95 Confidence Interval for Mean Minimum Maximum Lower Bound Upper Bound Postes K.K 29 71.6897 6.11849 1.13618 69.3623 74.0170 60.00 85.00 Postes K.E 29 78.2414 6.00390 1.11490 75.9576 80.5251 61.00 87.00 Total 58 74.9655 6.85685 .90035 73.1626 76.7684 60.00 87.00 Test of Homogeneity of Variances skor postes Levene Statistic df1 df2 Sig. .005 1 56 .946 ANOVA Skor postes Sum of Squares df Mean Square F Sig. Between Groups 622.414 1 622.414 16.940 .000 Within Groups 2057.517 56 36.741 Total 2679.931 57

L. Uji-t Antarkelompok Perlakuan Pretest

T-Test Group Statistics Kemampuan menulis cerpen N Mean Std. Deviation Std. Error Mean skor hasil pretes kelompok kontrol 29 69.8276 6.39234 1.18703 kelompok eksperimen 29 69.2414 5.51398 1.02392 Independent Samples Test skor pretes Equal variances assumed Equal variances not assumed Levenes Test for Equality of Variances F 1.273 Sig. .264 t-test for Equality of Means T .374 .374 Df 56 54.819 Sig. 2-tailed .710 .710 Mean Difference .58621 .58621 Std. Error Difference 1.56763 1.56763 95 Confidence Interval of the Difference Lower -2.55412 -2.55562 Upper 3.72654 3.72803

M. Uji-t Antarkelompok Perlakuan Posttest

T-Test Group Statistics Kemampuan menulis cerpen N Mean Std. Deviation Std. Error Mean skor hasil postes kelompok kontrol 29 71.6897 6.11849 1.13618 kelompok eksperimen 29 78.2414 6.00390 1.11490 Independent Samples Test skor postes Equal variances assumed Equal variances not assumed Levenes Test for Equality of Variances F .005 Sig. .946 t-test for Equality of Means T -4.116 -4.116 Df 56 55.980 Sig. 2-tailed .000 .000 Mean Difference -6.55172 -6.55172 Std. Error Difference 1.59182 1.59182 95 Confidence Interval of the Difference Lower -9.74052 -9.74055 Upper -3.36293 -3.36290