When should DK ("don't know")alternatives be used?
A)when collecting demographic information
B)never-they will be overused by respondents
C)whenever you are surveying people with moderate to low IQs
D)when there is good reason to believe that some respondents will genuinely not know an answer

Question

Quizplus · Accepted Answer

DK alternatives should be used when there is a legitimate possibility that respondents may not have the knowledge or information needed to answer a question accurately.

When Should DK ("Don't Know")alternatives Be Used