Distribusi Frekuensi Pretest Kelompok Kontrol

123 Lampiran 10: Uji-t Sampel Bebas Kelompok Kontrol dan KelompokEksperimen

1. Uji-t Sampel Bebas Pretest Kelompok Kontrol dan Kelompok

Eksperimen Group Statistics kelompok N Mean Std. Deviation Std. Error Mean nilai pretest kelompok kontrol dan eksperimen pretest kontrol 32 63.9688 9.51564 1.68214 pretest eksperimen 32 66.7500 9.15811 1.61894 Independent Samples Test Levenes Test for Equality of Variances t-test for Equality of Means F Sig. t df Sig. 2- tailed Mean Differen- ce Std. Error Differen- ce 95 Confidence Interval of the Difference Lower Upper nilai pretest kelompok kontrol dan eksperimen Equal variances assumed .140 .710 -1.191 62 .238 -2.78125 2.33465 -7.44814 1.88564 Equal variances not assumed -1.191 61.909 .238 -2.78125 2.33465 -7.44828 1.88578 124

2. Uji-t Sampel Bebas Posttest Kelompok Kontrol dan Kelompok

Eksperimen Group Statistics kelompok N Mean Std. Deviation Std. Error Mean nilai posttest kelompok kontrol dan eksperimen posttest kontrol 32 67.6562 9.32084 1.64771 posttest eksperimen 32 76.4688 7.69157 1.35969 Independent Samples Test Levenes Test for Equality of Variances t-test for Equality of Means F Sig. t df Sig. 2- tailed Mean Differen- ce Std. Error Differen- ce 95 Confidence Interval of the Difference Lower Upper nilai posttest kelompok kontrol dan eksperimen Equal variances assumed 2.305 .134 -4.125 62 .000 -8.81250 2.13628 -13.08287 -4.54213 Equal variances not assumed -4.125 59.844 .000 -8.81250 2.13628 -13.08593 -4.53907 125 Lampiran 11: Uji-t Sampel Berhubungan 1. Uji-t Sampel Berhubungan Pretest dan Posttest Kelompok Kontrol Paired Samples Statistics Mean N Std. Deviation Std. Error Mean Pair 1 nilai pretest kelompok kontrol 63.9688 32 9.51564 1.68214 nilai posttest kelompok kontrol 66.7500 32 9.15811 1.61894 Paired Samples Correlations N Correlation Sig. Pair 1 nilai pretest kelompok kontrol nilai posttest kelompok kontrol 32 -.048 .793 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 nilai pretest kelompok kontrol - nilai posttest kelompok kontrol -2.78125 13.52115 2.39022 -7.65615 2.09365 -1.164 31 .253