Because she beat her goal this year by nearly 30 percent, lori has been telling everyone in the sales department of her incredible skill as a salesperson. but last year when she didn't even reach her goal, she said her failure was due to the poor economy. lori provides an example of

Lori is exhibiting a type of bias that is well-known as self-serving bias.

Self-serving bias is defined as distortion in perceptual processes due to the need to maintain and enhance the person's self-esteem - also known as a person's tendency to see themselves in a favorable manner. In the case of Lori, when she cannot reach her goal, she blames the poor economy, but when she managed to do it, she attributed it to her skills as a salesperson.