Which of the following statements is true of unstructured questions?

Group of answer choices

They are often skipped by respondents unless the questions are interesting

They are ambiguous questions that contain at least two negatives

They are loaded questions that suggest a socially desirable answer or involve an emotionally charged issue

They include two or more different attributes or issues but allow respondents to comment only on a single issue

They are questions with a predetermined list of responses available to aid or limit respondents' answers