Tori has been telling everyone in the sales department of her incredible skill as a salesperson, since she beat her goal this year by nearly 30%. But last year when she didn't even reach her goal, she said it was simply the economy. This is an example of the
A. halo effect.
B. self-fulfilling prophecy.
C. fundamental attribution bias.
D. self-serving bias.
E. selective perception error.
Answer: D. self-serving bias