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A group of clinicians who are members of the U.S. military are concerned with the morale...

A group of clinicians who are members of the U.S. military are concerned with the morale of troops serving in war regions. They hypothesize that the number of tours a soldier serves significantly affects morale. To test this hypothesis, they select a sample of six soldiers who served three tours in war regions and ask them to rate their morale during each tour they served in. Lower ratings indicate lower morale. The table below lists the hypothetical results of this study.

Number of War Tours

First

Second

Third

6

5

4

5

4

6

7

6

2

6

7

5

5

7

6

7

7

4

  

  1. State the null and research hypotheses of this study.
  2. Calculate the Sums of Squares Within. Be sure to show your work.
  3. Fill out the remaining items in the source table:

    Source

    SS

    df

    MS

    F

    Between

    9

    Subject

    Within

    Total

    32.5
  1. Determine the critical F value for a hypothesis test at alpha = .01
  2. What decision should the researchers make?
  3. Should the researchers complete post-hoc tests? Explain.

Solutions

Expert Solution

milcah answered 9 months ago
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