The data below are from an independent-measures experiment comparing three different treatment conditions. Treatment 1 Treatment 2 Treatment 3 0 2 4 0 3 2 G = 36 0 1 4 SStotal = 42 3 3 3 0 2 4 0 1 4 ––––––––––––––––––––––––––––––––––––– T = 3 T = 12 T = 21 SS = 7.5 SS = 4 SS = 3.5 Use an analysis of variance with α = .05 to determine whether these data indicate any significant mean differences among the treatments. Please organize all of your work on a source table and compute η2, the percentage of variance accounted for by the treatments.
The data below are from an independent-measures experiment comparing three different treatment conditions.
Treatment 1 Treatment 2 Treatment 3
0 2 4
0 3 2 G = 36
0 1 4 SStotal = 42
3 3 3
0 2 4
0 1 4
–––––––––––––––––––––––––––––––––––––
T = 3 T = 12 T = 21
SS = 7.5 SS = 4 SS = 3.5
- Use an analysis of variance with α = .05 to determine whether these data indicate any significant mean differences among the treatments. Please organize all of your work on a source table and compute η2, the percentage of variance accounted for by the treatments.
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