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.

Question

Quizplus · Accepted Answer

A larger sample size increases the statistical power of a study, making it more likely to detect a significant correlation, even if the relationship is weak.

Suppose a Weak Relationship Exists Between Fetal Alcohol Syndrome and Hyperactivity