Question

researchers should avoid using double - barreled questions when designing a survey. what are double - barreled questions?
o questions that ask about multiple issues
o questions that use emotional language that may bias the respondent
o questions that are vague or ambiguous
o questions that have a hidden agenda

Explanation:

Double - barreled questions combine multiple issues into one question, making it hard for respondents to answer clearly. They violate the principle of asking one question at a time in survey design.

Answer:

questions that ask about multiple issues