When you construct an audience-analysis questionnaire, open-ended questions are especially valuable because they usually generate clear, unambiguous responses?

The answer is false, it is because in questionnaires like this, open ended questions are considered valuable, which is true in the statement above but what makes it false, is because of the unambiguous response. An open ended questions should not have unambiguous response for they should be more open and would be engaging and more open not only to the person asking but to the audience as well.