Which model emphasizes the importance of understanding the social context in which a person lives?

The Ecological Systems Theory is the correct choice because it specifically focuses on understanding individuals within the context of their environment and social systems. This model, developed by Urie Bronfenbrenner, posits that human development is influenced by different layers of environmental factors, ranging from immediate settings like family and school to broader societal factors such as culture and economics. By considering how these various systems interact and impact a person's experience, social workers can develop a more holistic approach to intervention and support.

This emphasis on context allows practitioners to identify not just individual difficulties but also systemic barriers that clients may face, thus enabling a more comprehensive strategy for addressing their needs. Understanding the social context is crucial in social work, as it helps in recognizing how external factors influence behavior and development, guiding more effective and compassionate practice.