The "don't know" or "no opinion" response should always be available to respondents.

Question

Quizplus · Accepted Answer

It is important to provide the option of "don't know" or "no opinion" to respondents as it allows them to honestly express their lack of knowledge or uncertainty about a particular question. It also prevents respondents from feeling pressured into giving a response when they do not have enough information or a strong opinion on the matter.

The "Don't Know" or "No Opinion" Response Should Always Be