ic human instinctual physical and psychological drives related to desired goals and sets of likely responses specific to the individual. The individual is affected by the presence of different groups of choices that allow for a certain rage of effective responses. The observable outcomes of these choices and responses can be identified by the nurse as behavior. The nurse must observe behaviors, resulting from these drives and draw conclusions about how to act appropriately as a caregiver, and attempt to bring the patient into a general state of balance of all of the different seven subsystems.
             Nursing diagnoses in the Behavioral System Model focus on insufficiency (such as an insufficiency of a certain nutrient of the digestive system), discrepancies between behaviors and goals (like a person who is too dependant on another or substance like a drug because of their desire for esteem), incompatibility between needs and outcomes of goal-driven behavior, or an imbalance, such as needing to show too much dominance at the exclusion of other behaviors. (George, 1994)
             The phenomena of primary interest to nursing are behaviors, according to Johnson, regardless of the original goal or desired origin, and although a desire for aggression may be an internal state, the nurse can only observe, not pass judgment on how the patient is psychologically motivated to select such behaviors. Treatment focuses on changing behaviors, the environment, and the effects of the other subsystems on the system that is in a state of imbalance
             Description of supportive theories from which the selected nursing theory was derived
             As with many early 20th century nursing theories, Florence Nightingale provides the foundation of Johnson's formulation of nursing as a profession and a science. Johnson did not question Nightingale's focus on helping the sick prevent or recover from a physical ailment, infection, or injury as the focus of the nursing profess...