Roslyn's approach to her problem with her coworker is an example of

An evolutionary strategy refers to behaviors or traits that have developed over time to enhance survival and reproductive success. This concept does not directly relate to how individuals cope with specific problems or stressors in their daily lives, making it an inappropriate label for Roslyn's approach in this context.

Emotion-focused coping involves managing emotional responses to stress rather than addressing the cause of the stress itself. This approach might include strategies such as seeking emotional support or engaging in relaxation techniques. Since Roslyn's approach focuses on tackling the problem with her coworker directly, it does not fit within the realm of emotion-focused coping.

A need for achievement describes an individual's motivation to excel and accomplish goals. While this need can influence how a person approaches challenges, it does not specifically address the coping mechanisms employed in stressful situations. Roslyn's behavior is more about resolving a conflict than fulfilling a personal achievement motive.