Which of the following makes us overestimate internal factors for successes and blame external factors for failures?

a. Stereotyping tendency
b. Fundamental attribution error
c. Self-serving bias
d. Protectionism

c) Self-serving bias

Explanation:

Self-serving bias is the tendency to associate positive factors to oneself and blame others for the negatives. Such an attribution of events leads to an overestimate of success as well as a bias towards failures known as cognitive bias. A deliberate attempt to project oneself as ideal.

It is method to maintain and enhance self-esteem largely focused on strengths. It explicitly rejects the validity of negative feedback.