Is it mutually exclusive AND exhaustive?

The variable is NOT mutually exclusive and NOT exhaustive. Once per day and daily are the same thing. Technically someone could be meeting with their probation officer more (e.g., twice per day) or less than indicated (once every six months).

How frequently do you meet with your probation officer? Daily Once per day Weekly Monthly

It is both mutually exclusive and exhaustive.

How many siblings do you have?

It is mutually exclusive. It is NOT exhaustive; there are other colors people may like.

What is your favorite color? (a) Purple (b) Red (c) Yellow (d) Green (e) Blue

It is mutually exclusive but NOT exhaustive. Individuals may not agree with this statement. The category options should include disagree and strongly disagree.

What is your level of agreement with the following statement: I trust the police. Strongly agree Agree Neutral

It is mutually exclusive and exhaustive; the other option will catch individuals who indicate some other marital status (e.g., common law marriage).

What is your marital status? (a) Divorced (b) Separated (c) Married (d) Single (e) Other: please specify_______________