What Does the Actor-Observer Effect Refer To

What does the actor-observer effect refer to?

A) the tendency to explain other people's actions in dispositional terms while viewing personal behaviour as situationally determined
B) the tendency to rely on personally vivid examples of behaviour to judge the likelihood of future behaviour
C) the tendency to make assumptions about the unknown personality characteristics of actors on the basis of known characteristics
D) the tendency to assume that the behaviour of others will be similar to one's own behaviour