A social psychologist is interested in how optimism is relatedto life satisfaction. A sample of individuals categorized asoptimistic were asked about past, present, and projected futuresatisfaction with their lives. Higher scores on the lifesatisfaction measure indicate more satisfaction. Below are thedata. What can the psychologist conclude with ? = 0.05?
past | present | future |
---|
22 24 27 26 28 | 27 28 29 30 30 | 24 27 30 28 29 |
Compute the corresponding effect size(s) and indicatemagnitude(s).
?2 =
Conduct Tukey's Post Hoc Test for the followingcomparisons:
1 vs. 3: difference =
2 vs. 3: difference =
f) Conduct Scheffe's Post Hoc Test for thefollowing comparisons:
1 vs. 2: test statistic =
2 vs. 3: test statistic =