Solution) The following data are from an Experiment comparing 3 different treatment conditions: A B C

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	∑x²=354
5	4	9
2	8	8
T=10	T=20	T=30
Ss=14	Ss=30	Ss=30

A) 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.

B) If the experiment is done with repeated measures design, should the researcher conclude the treatments are significantly different at Alpha=.05 again.

C) Explain why the results are different in the analysis of parts a and b.

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