Which of the following scenarios best illustrates role conflict?

Role conflict occurs when an individual faces competing demands from different roles they occupy simultaneously, leading to stress and challenges in fulfilling those roles. The scenario of a single mother managing work and parenting responsibilities exemplifies this concept well. In this case, the mother is likely experiencing conflicting expectations and demands from her role as a parent, which may require her attention and emotional resources, while also trying to meet the obligations of her job.

Balancing these responsibilities often leads to stress since she may have to choose between attending to a child's needs and fulfilling work obligations, highlighting the inherent conflict between her roles as a worker and a caregiver. This illustrates how role conflict can arise when an individual must navigate the expectations and pressures of different social roles simultaneously, which is central to understanding social behavior and familial dynamics in sociology.

Other scenarios listed involve pressures but do not exemplify role conflict to the same degree. For instance, a student juggling multiple assignments represents role strain, as it pertains to the single role of a student without the added complexity of competing roles. A manager training new employees and a team member collaborating on a project also reflect role responsibilities and teamwork, but they do not encapsulate the concept of conflicting roles as vividly as that of a single mother navigating work and parenting.