Theories Used in Social Work

Social work theory provides a framework for supporting clients. Discover common social work theories and practice models.
Genevieve Carlton, Ph.D.
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What theories do social workers use? Social work at all levels encompasses many theories and practice models. While social work theory can appear complex — it’s a valuable tool for applying practice models that best support clients.

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Understanding Social Work Theories and Practice Models

A social work theory is an evidence-based explanation for human behavior. Based on observations and research, these theories provide a framework for understanding human development, social behavior, motivation, and actions. Social work practice models allow social workers to implement interventions to support clients.

Social work theory exists in a psychosocial context, meaning that social workers consider both the individual and their social context to understand behavior. In particular, the person in the environment (PIE) theory situates individuals within micro, mezzo, and macro levels of social work.

Social workers study theories and practice models in bachelor’s in social work (BSW) and master’s in social work (MSW) programs.

Why is Theory Important in Social Work?

Social work theories help social workers understand the causes of human behavior, emotions, and actions. By exploring these causes, social workers can develop solutions for their clients.

Social theories draw on decades of research, providing a framework for implementing them into practice. In addition to providing a framework for developing treatment plans, social work theories give social workers a research-based lens to view their clients’ problems. Rather than bringing personal assumptions to client interactions, social workers use the lens of theory to interpret a client’s actions, thoughts, or behaviors.

Common Social Work Theories

Social work theories, which can draw on psychology and sociology, explain human behavior and development. Social workers use these theories to understand people’s challenges and implement intervention plans to support their clients. This section introduces some common social work theories.

Common Practice Models in Social Work

While theory explains why something happens, practice models offer a blueprint for changing behaviors. Social work practice models allow social workers to apply theories to design interventions and support plans for their clients. This section introduces common practice models in social work.