Grubbs developed an assessment tool based on Johnson’s seven subsystems plus a subsystem she labeled as restorative which focused on activities of daily living. An assessment based on behavioral model does not easily permit the nurse to gather detailed information about the biological systems:
Diagnosis tends to be general to the system than specific to the problem. Grubb has proposed 4 categories of nursing diagnosis derived from Johnson's behavioral system model:
III. Planning and implementation
Implementation of the nursing care related to the diagnosis may be difficult because of lack of clients input in to the plan. the plan will focus on nurses actions to modify clients behavior, these plan than have a goal ,to bring about homeostasis in a subsystem, based on nursing assessment of the individuals drive, set behavior, repertoire, and observable behavior. The plan may include protection, nurturance or stimulation of the identified subsystem.
Evaluation is based on the attainment of a goal of balance in the identified subsystems. If the baseline data are available for an individual, the nurse may have goal for the individual to return to the baseline behavior. If the alterations in the behavior that are planned do occur, the nurse should be able to observe the return to the previous behavior patterns. Johnson's behavioral model with the nursing process is a nurse centered activity, with the nurse determining the clients needs and state behavior appropriate for that need