A member of the New Jersey chamber of commerce wants to know

A member of the New Jersey chamber of commerce wants to know what New Jersey residents think of the local library. He stands at the library entrance for several days and interviews people coming out of the library to get their opinions. His survey suffers from

undercoverage.

question wording bias.

response bias.

voluntary response bias.

Solution

His survey suffers from

undercoverage

under-coverage, the individuals may refuse to cooperate