Closed-ended s increase the return rate of the naire because________?
Athey are easy and quick to answer
Bthey involve no thought on the part of the respondent.
Cthey cover the return postage
Dthe s is clearly worded
Ethe answers are mutually exclusive
Correct answer
A. they are easy and quick to answer
Explanation
The correct answer is they are easy and quick to answer.