Oishi and Schimmack (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 PRoBLEMS 297 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: 38, 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 wellbeing in the general population? Use a two-tailed test with α = .05. b. Compute the estimated Cohen’s d to measure the size of the difference.
Oishi and Schimmack (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
PRoBLEMS 297
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:
38, 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 wellbeing in the general population? Use a two-tailed
test with α = .05.
b. Compute the estimated Cohen’s d to measure the
size of the difference.
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