Experiments Comparing Responses to Closed-Ended and Open-Ended Questions Have Found

Multiple Choice

Experiments comparing responses to closed-ended and open-ended questions have found that

A) open-ended questions are better.
B) closed-ended questions are better.
C) the results are similar as long as the response options in the closed question represent the most frequent responses to the open question.
D) the results are similar as long as the questions are similarly worded.