Math Solutions

[See Solution] The following data are from an experiment comparing three different treatment conditions: A B C 0 1 2 N = 15 2 5 5 ∑ X 2 = 354 1 2 6 5 4 9 2 8 8

Question: The following data are from an experiment comparing three different treatment conditions:

A B C

0 1 2 N = 15

2 5 5 ∑ X 2 = 354

1 2 6

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 the .05 level of significance.
  2. If the experiment is done with a repeated-measures design, should the researcher conclude that the treatments are significantly different? Set alpha at .05 again. c. Explain why the analyses in parts a and b lead to different conclusions.
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