'Self-monitoring' concept of communication is associated with an individual's ability to monitor or observe their behavior, presentations, etc. and modify them constructively according to the need or requirement as per the surroundings or social situation.
In the given situation, Sarah displays 'self-monitoring' aspect of communication as she displays her ability to regulate or adjust her behavior by restricting herself to say 'take over' in order to accommodate as per the need of social situation('Jim hates it when she "takes over" while he's driving). Thus, she exhibits the '<u>self-monitoring</u>' aspect of communication.
