Answer: Self perception
Explanation: When individuals make analysis of their own self based on attitude, preferences or behavior. The self perception theory may be used in other to generate information through personal interpretation of the accord, information or association which exist between such individual and the object or individual in question.
In the scenario above, Marcia lacked clear view or understanding of the relationship which exists between herself and Jan, in a bid to establish one, she employed personal interpretation in establishing an association based on available information.