Answer:
a. the actor-observer effect.
Explanation:
The term 'attribution' means to have explanation to the behavior of people.
The actor-observer effect or the the actor-observer bias in psychology means human tendency to explain or state the behavior and nature of other people to be due to the internal influences of the individual and one's own behavior is a result of outside influences and situational factors.
According to the actor-observer effect, we have more information regarding our own behavior.
Thus the answer is --
a. the actor-observer effect.