Sister callista roy biography nursing theory

In 1976, Sister Callista Roy developed the Adaptation Model of Nursing, a prominent nursing theory.

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Nursing theories frame, explain or define the practice of nursing. Roy's model sees the individual as a set of interrelated systems (biological, psychological and social). The individual strives to maintain a balance between these systems and the outside world, but there is no absolute level of balance.

Individuals strive to live within a unique band in which he or she can cope adequately.

Callista roy adaptation theory pdf

Overview of the theory

This model comprises the four domain concepts of person, health, environment, and nursing; it also involves a six-step nursing process. Andrews & Roy (1991) state that the person can be a representation of an individual or a group of individuals.^[1] Roy's model sees the person as "a biopsychosocial being in constant interaction with a changing environment".

The person is an open, adaptive system who uses coping skills t