What is the feature labeled "A" in the diagram below? Also, how did it form? 
Definitions:
Social-cognitive Theory
A theory that emphasizes the importance of observational learning, imitative behavior, and social experience in the development of personality.
Behaviorist Approach
A perspective in psychology that focuses on observable behaviors and external stimuli, disregarding internal mental states.
Bandura's Experiment
A series of studies conducted by Albert Bandura that demonstrated the social learning of aggression through the observation of aggressive models, highlighting the role of observational learning.
Television and Aggression
The theory or observation that exposure to violent content on television can increase aggressive behavior in viewers.
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