Author Question: When we add comparison groups in research, we add the ability to identify group differences but lose ... (Read 75 times)

mikaylakyoung · **on:** Aug 4, 2018

When we add comparison groups in research, we add the ability to identify group differences but lose ________.

A) Power
B) Credibility
C) Flexibility
D) Degrees of freedom

Fill in the blank with the correct answer.

Question 2

A researcher decides to examine road rage. Her problem statement might be

A) Does road rage occur more often during rush hour traffic?
B) Does road rage occur more often in males?
C) Does the age of the driver affect the likelihood of road rage?
D) All of the above