Between-Subjects One-Way ANOVA Practice Problems SET 3 A special education teacher was interested in whether different rewards woulc promote verbal behavior in the autistic children in her class. She split the 24 children into four equal groups and provided a reward to each child after ever verbal episode. The type of reward the child received depended on which gro the child was in. The number of verbal episodes for each reward type are belt Reward Reward Reward Reward Type 1 Type 2 Type 3 Type 4 3 6 9 12 5 7 1o 13 6 9 15 15 2 7 12 18 1 11 11 15 2 5 1o 13 T=19; T=46; T=67; T=86; M=3.17,- M=7.67; M=11.17; M=14.33; 55:18.83 55:19.33 55:22.83 55:23.33 N = 24 G = 218 EX2 = 2478 Step 1: State the Hypotheses and Select an Alpha Level H : H,: a=.05Step 2: Locate the Critical Region for the F-ratio df total = N- 1 = df between = k- 1 = df within = N - k = The F-ratio will have df = at p=.05. Critical F =