Which of the Following Is True of Question Formats in Questionnaires

Multiple Choice

Which of the following is true of question formats in questionnaires?

A) Closed-end questions allow respondents to answer in their own words.
B) A scale question is an example of an open-end question.
C) Open-end questions allow respondents to choose among the best answer options available.
D) Closed-end questions are difficult to evaluate when compared to open-end questions.
E) Open-end questions are useful in exploratory research to find out what people think.