People are most likely to take the time to respond to surveys if the questionnaires are interesting, objective, unambiguous, and easy to complete.

That statement is true

When the questionnaire is boring, formal, and hard to complete, most people will perceive filling it as a chore.

By making the questionnaire interesting, objective, unambiguous, and easy to complete, people will perceive it as something fun to do, which will increase the likelihood of them completing it.