Answer:
The self-serving bias.
Step-by-step explanation:
The self-serving bias, as its name suggests, is a cognitive process in which the individual distorts the reality maintain their self-esteem, just as Callie does in the example. It usually works as the belief in which individuals tend to ascribe success to their own skills, knowledge, efforts, abilities, etc, but fail to ascribe success due to external factors, and viceversa.