Choose the answer that best describes the form of bias expressed in the following problem.

a reporter attended a play he didn't like. one member of the audience walked out. which of the following indicates the reporter's bias?

the play had excellent lighting effects and most of the acting was well done.
part of the audience didn't even stay through the first act, so clearly the play wasn't very exciting.
the actor playing tom slipped in and out of his accent, which made his character difficult to believe.
at the end of the play, some members of the audience clapped while others booed.