The following data were obtained from a repeated measures study comparing three treatment conditions.
a. Do the data indicate significant differences among the three treatments? Test at the .05 level of significance.
b. Calculate try to measure the size of the effect.
c. Write a sentence demonstrating how the outcome of the hypothesis test and the measure of effect size would appear in a research report.
a.
Given info: The data is tabulated as:
Treatment  Person total 






Calculation:
Step 1:
Null hypothesis:
Alternate hypothesis
Step 2: Degrees of freedom and critical value: (First stage)
And,
So,
Now,
Similarly,
So,
At second stage compute
b.
To find: The value of
c.
To write: The results in form of a report.
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