Which of the following is true of matrix questions a They in

Which of the following is true of matrix questions? a. They involve different sets of possible answers to the same question. b. They are best used for demographic questions such as gender or race. c. They risk generating an idiosyncratic response set. d. They should be used to break up the topical flow of a survey.

Solution

The true of matrix questions

a. They involve different sets of possible answers to the same question

its because of the properties of matrix , which can give you one solution , two solutions ...or infinitely many solutions.