Which of the following best defines a theory in Child and Youth Care?

The definition of a theory in Child and Youth Care as a set of interrelated concepts explaining behavior or phenomena is accurate because theories serve as foundational frameworks that help practitioners understand the complexities of human behavior and development. In this context, a theory provides a lens through which practitioners can examine the factors influencing a young person's life, including psychological, social, and environmental variables.

Theories are essential in CYC practice because they guide how caregivers interpret behaviors and interactions, what interventions may be most appropriate, and ultimately help to inform best practices for supporting the youth they work with. By understanding the underlying concepts and mechanisms that drive behavior, practitioners can develop more effective strategies for engagement and support.

Other options, while related to practice, do not encompass the broader explanatory role that a theory provides. A practical strategy for intervention focuses on specific techniques rather than on understanding the principles behind them. A method for assessing progress pertains to evaluation rather than explanation. Lastly, a framework for ethical decision-making addresses moral considerations and dilemmas in practice rather than offering a comprehensive understanding of behavior. Hence, the correct answer captures the essence of a theory as a conceptual tool for explaining and understanding behavior in the Child and Youth Care field.