When Michela Was Hired, Her New Boss Was Impressed Because

Multiple Choice

When Michela was hired, her new boss was impressed because she came highly recommended by her former boss. After three months on the job, Michela's boss found out that her former boss had given her a good recommendation just to get rid of her and that Michela was really a poor, very unreliable, unqualified worker. Still, Michela's new boss thought she was a pretty good employee. This overall impression of her was probably due to __________

A) the halo effect.
B) the primacy effect.
C) self-serving bias.
D) cognitive dissonance.