Final answer:
Zimbardo's Model of Conformity explains the quick adoption of roles in the Stanford Prison Experiment as a result of the strong influence of social roles, norms, and scripts.
Step-by-step explanation:
According to Zimbardo's Model of Conformity, the quick adoption of new rules and roles by the guards and prisoners in the Stanford Prison Experiment can primarily be attributed to the powerful influence of social roles, norms, and scripts on human behavior. The participants quickly internalized their assigned roles within the mock prison setting, demonstrating how situational factors can override individual personality traits in determining behavior. The study highlighted how people will conform to the social expectations of their assumed roles, sometimes leading to extreme behaviors that would not be anticipated based on individual personality traits alone.