Question: A researcher would like to determine if relaxation training will affect the number of headaches for chronic headache sufferers. For a week prior to training, each subject records the number of headaches suffered. Subjects then receive relaxation training and for the week following training the number of headaches is again measured. The change in number of headaches before and after training is as follows (minus signs indicate a reduction):

Difference scores: -5 -1 -4 -3 -6 -8 0 +1 -1

Is there an effect of training?

State the hypothesis

State the alpha level and reason for selecting it

Indicate which statistic you have selected

Indicate which distribution will be used, displaying d.f. and critical values

State the rejection rule

Perform the calculations

State your decision in terms of the hypothesis

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Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document