Attribution theory suggests that when we observe an individual's behavior, we attempt to determine whether it was internally or externally caused. That determination depends largely on three factors:
(1) distinctiveness, (2) consensus, and (3) consistency.

Explanation:

Attribution theory suggests that when we observe an individual's behavior, we attempt to determine whether it was internally or externally caused.

Attribution theory is an attempt to determine whether an individual's behavior is internally or externally caused and internal cause behaviors are those that an individual believe are under the personal behavioral control of another individual while the externally caused behaviours are what we imagine the situation forced the individual to do.

Internally or externally cause attribution are determination depends largely on three factors: Distinctiveness, Consensus, and consistency.

i have to go with a for this one