A nurse researcher wishes to determine if there is a difference in the mean IQ level for a sample of brothers and a sample of their sisters. What would be an appropriate test?
A) repeat measures t-test
B) t-test for independent groups
C) repeat measures ANOVA
D) t-test for dependent groups

Question

Quizplus · Accepted Answer

The t-test for dependent groups (also known as a paired t-test) is appropriate here because the samples are related (brothers and sisters from the same families).

A Nurse Researcher Wishes to Determine If There Is a Difference