Surveys are common tools for primary data collection. However, there are several critical factors in conducting successful surveys with valid results. When collecting primary data through surveys, what should you do to produce the best results with a questionnaire? Check all that apply.

Rather than displaying questions logically$,$ be sure to mix them up for the best results.

Write clear questions that will be interpreted in the same way by different respondents.

Provide a range of answers in a multiple$-$choice question plus "other" for people who want another answer.

Do not pilot test with a small group; well$-$designed surveys don't need testing.

Ask for opinions because they are more interesting than other kinds of answers.