Author Question: Power is controlled by a. sample size. b. variability. c. true mean differences. d. all of the ... (Read 86 times)

lak · **on:** Jun 20, 2018

Power is controlled by

a. sample size.
b. variability.
c. true mean differences.
d. all of the above

Question 2

Suppose a weak relationship exists between fetal alcohol syndrome and hyperactivity. We are more likely to find that the sample correlation is significant if

a. we have a small sample.
b. we have a very large sample.
c. it doesn't depend at all on sample size.
d. we choose people who have all experienced fetal alcohol syndrome.