When Jen started her job at the library, she started dressing more conservatively and also started wearing her glasses instead of contact lenses. Her friends say that she has been quieter and more serious lately. What has likely influenced the change in Jen's behaviour and appearance?
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her perception of the social role of a librarian◦
her desire to be obedient◦
avoidance of social stigma◦
stereotyped perceptions by her friends