Answer:
a. personal qualities of the residents.
Explanation:
Fundamental attribution error: In psychology, the term fundamental attribution error was proposed by the social psychologist named Lee Ross in 1977.
The fundamental attribution error is defined as an individual's propensity to describe someone else's behavior based on his or her internal factors or reasons including disposition or personality whereas underestimating the external factor's influences including situational influences on the behavior of another person.
In the question above, the given statement signifies the personal qualities of the residents.