It is important that asurvey is anonymous. It is important for several reasons. Yes, dueto the sensitivity and to expand on this, we hope the participantswould be honest and this is more likely if it is anonymous.However, the participants may still not be honest because of fearof getting in trouble.
There are validreasons why the survey questions may need to be closed ended. Howmany questions would you include on the survey? Would you have anyquestions that determine if a person is being dishonest?