Two Groups Too Many? Try Analysis of Variance Ratri Psikologi Pendidikan UNJ
Introduction to Analysis ANOVA digunakan karena ada lebih dari dua kelompok yang diuji/dibandingkan. Tes statistik untuk ANOVA dinamakan tes F, (F test), berasal dari nama R.A. Fisher, ahli statistik. Apa lagi yaa? Baca buku statistik lain!!
The Path to Wisdom and Knowledge We are testing for differences between scores of the different groups. Respondents are not being tested more than once There are several groups (ex. three groups) The appropriate test statistic is simple analysis of variance
Different Flavors of Anova Anova penggunaannya bervariasi Salah satunya adalah Simple analysis of variance Dimana: hanya ada satu faktor atau satu variabel perlakuan yang diteliti dalam lebih dari dua kelompok Simple ANOVA One way ANOVA Salkind, p: 195-196
Computing The Test Statistic Rumus: F = MSbetween MSwithin MS = Means Sum of Square
Ilustrasi perhitungan data Groups 1 Group 2 Group 3 87 86 76 56 78 98 77 66 75 67 85 99 79 81 82 91 89 96 90 93
Step by Step... Step 1 * A statement of the null and research hypothesis H0: µ1 = µ2 = µ3 H1: X1 ≠ X2 ≠ X3 Step 2 * Setting the LoS 0.05 Step 3 * Selection of appropriate test Simple ANOVA