[Solution Library] The following data are from an Experiment comparing 3 different treatment conditions: A B C 0 1 2 2 5 5 N=15 1 2 6 ∑x 2 =354 5 4 9 2 8 8 T=10


Question: The following data are from an Experiment comparing 3 different treatment conditions:

A B C
0 1 2
2 5 5 N=15
1 2 6 ∑x 2 =354
5 4 9
2 8 8
T=10 T=20 T=30
Ss=14 Ss=30 Ss=30
  1. If the experiment uses an independent measures design, can the researcher conclude that the treatments are significantly different? Test at Alpha=.05 level of significance.
  2. If the experiment is done with repeated measures design, should the researcher conclude the treatments are significantly different at Alpha=.05 again.
  3. Explain why the results are different in the analysis of parts a and b.

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