Systems, psychodynamic and person-centred theories, and cognitive-behavioural, narrative and strengths-based practices are specifically addressed, and students are shown how to apply these in human service settings. Systems theory, in social science, the study of society as a complex arrangement of elements, including individuals and their beliefs, as they relate to a whole (e.g., a country). As an interdisciplinary field, social work makes particular use of systems theory by recognizing that individuals are a part of their environment, and that we are each shaped by an array of interdependent and inextricably linked systems. In social work and psychology, professionals must look at the internal and external factors of a situation and/or a client’s life. Systems theory draws the social worker’s attention to the various systems within which an individual functions—groups, organizations, societies, and so forth—in order to help intervene at multiple stages in an individual’s life. In general, the systems theory emphasizes the whole is greater than the sum of its’ parts. For instance, each of us may be shaped and influenced by a set of related systems that include family, school, religious structure, and community. The conceptual origins of the How to Become a Social Worker. in Austria, became dissatisfied with the way linear, cause-and-effect theories explained growth and change in living organisms. The study of society as a social system has a long history in the social sciences. In systems theory, a social worker must observe and analyze all of the systems that contribute to an individual’s behavior and welfare, and work to strengthen those systems. Bronfenbrenner’s ecological systems theory is one of the most accepted explanations regarding the influence of social environments on human development. An account of general system theory is given indicating how human systems differ from other systems, taking their place in a larger continuum. Social factors determine your way of thinking, the emotions you feel, and your likes and dislikes. Social Work: From Theory to Practice uses an integrated approach to explore a variety of social theories through social work's unique interpretative lens. Von Bertalanffy, a theoretical biologist born and educated. The implications of the theory for social work are then examined with special reference to four levels. form of systems theory used in social work. This theory argues that the environment you grow up in affects every facet of your life. This may take the form of providing positive role models, therapy or other services to help create a more supportive system for the individual.