Dorothy Johnson

     Behavioral System Model: Dorothy Johnson
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Dorothy Johnson


   Background

- Dorothy E. Johnson is well-known for her “Behavioral System Model,” which was first proposed in 1968. Her model was greatly influenced by Florence Nightingale’s book, Notes on Nursing. It advocates the fostering of efficient and effective behavioral functioning in the patient to prevent illness and stresses the importance of research-based knowledge about the effect of nursing care on patients.
- Johnson’s theory defined Nursing as “an external regulatory force which acts to preserve the organization and integration of the patients behaviors at an optimum level under those conditions in which the behavior constitutes a threat to the physical or social health, or in which illness is found.”
- It also states that “each individual has patterned, purposeful, repetitive ways of acting that comprises a behavioral system specific to that individual.”


Key Concepts & Definitions

1. Behavioral system
Man is a system that indicates the state of the system through behaviors.

2. System
That which functions as a whole by virtue of organized independent interaction of its parts.

3. Subsystem
A minisystem maintained in relationship to the entire system when it or the environment is not disturb

- Johnson’s behavioral model is clearly an Individual-oriented framework. Its extent to consider families, groups and communities was not considered.
- In her model, the focus is with what the behavior the person is presenting making the concept more attuned with the psychological aspect of care in.
- Categorizing different behaviors in seven subsystems divided the focus of nursing interventions. In turn quality of care given by the nurse may be lessened because of fractionalized care which does not support seeing the individual as a whole adaptive system.
- A lack of an authenticated schematic diagram by Johnson which is seen necessary was not presented. Johnson has developed multiple concepts thus a diagram showing each and every concepts relationship might be helpful.


Major Concepts

1. Person
- Johnson (1980) views human beings as having two major systems: the biological system and the behavioral system. It is the role of medicine to focus on the biological system, whereas nursing’s focus is the behavioral system.
- The concept of human being was defined as a behavioral system that strives to make continual adjustments to achieve, maintain, or regain balance to the steady-state that is adaptation.

2. Nursing
- Seen as “an external regulatory force which acts to preserve the organization and integration of the patient’s behavior at an optimal level under those conditions in which the behavior constitutes a threat  to physical or social health, or in which illness is found.”

3. Environment
- Not directly defined, but it is implied to include all elements of the surroundings of the human system and includes interior stressors.

4. Health
- Seen as the opposite of illness, and Johnson defines it as “some degree of regularity and constancy in behavior, the behavioral system reflects adjustments and adaptations that are successful in some way and to some degree… adaptation is functionally efficient and effective.”


References:

Dorothy E. Johnson’s Behavioral System Model (Online) Available at http://nurseslabs.com/dorothy-e-johnsons-behavioral-system-model/ Accessed: September 11, 2016

Dorothy E. Johnson – Theoretical Foundations of Nursing (Online) Available at http://nursingtheories.weebly.com/dorothy-johnson.html Accessed: September 11, 2016


Image from http://www.mc.vanderbilt.edu/diglib/sc_diglib/biopages/djohnson.html

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