Oishi and shigehiro (2010) report that people who move from home to home frequently as children tend to have lower than average levels of well-being as adults. to further examine this relationship, a psychologist obtains a sample of n = 12 young adults who each experienced 5 or more different homes before they were 16 years old. these participants were given a standardized well-being questionnaire for which the general population has an average score of μ= 40. the well-being scores for this sample are as follows: 8, 37, 41, 35, 42, 40, 33, 33, 36, 38, 32, 39.
a) on the basis of this sample, is well-being for frequent movers significantly different from well-being in the general population? use a two-tailed test with ? =.05.
b) compute the estimated cohen's d to measure the size of the difference.
c) write a sentence showing how the outcome of the hypothesis test and the measure of effect size would appear in a research report.