Tag Archives: subsystems
Dorothy E. Johnson

Dorothy E. Johnson

Behavioral System Model (1959,1968,1974,1980) Person/Client: A behavioral system composed of seven subsystems: affiliative, achievement, dependence, aggressive, eliminative, ingestive, and sexual. Environment: Consists of all factors that are not part of the individual’s behavioral system but that influence the system and some of which can be manipulated by the nurse to achieve the health goal of […]

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Sister Callista Roy

Sister Callista Roy

Roy’s Adaptation Model Sister Callista Roy’s adaptation model, originating in 1970, is widely used by nurse educators, researchers, and practitioners. Roy focuses on the individual as a biopsychosocial adaptive system. Both the individual and the environment are sources of stimuli that require modification to promote adaptation, an ongoing purposive response. Adaptive responses contribute to health, […]

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