Nursing Models

A model is a simplified representation of the structure and content of a phenomenon or system that describes or explains the complex relationships between concepts within the system and integrates elements of theory and practice (Creek et al 1993).

A nursing model is a collection of ideas and knowledge that represents nursing from the writers’ perspective, presenting different ways of looking at and understanding nursing (Aggleton & Chalmers, 2000; Hogston & Simpson, 2002). Thus, nursing model is a concept of what nursing is and are used as a tool to assess patient's needs/problems.

Nursing model differentiates nursing from other disciplines and activities in that it serves the purpose of describing, explaining, predicting and controlling desired outcomes of nursing practices.

Models can be tested, changed, or used to guide research or to provide a base for evaluation(Blais,2002).

There are many models available including Roper Logan Tierney (RLT) (1996).The RLT model, which my portfolio is based, offers a framework for nurses to be able to ensure that individuality is taken into account when undertaking nursing care. In order to ensure that all aspects of an individual's life are integrated into an effective plan of care, Roper at al (1996) uses a problem solving approach and the nursing process in conjunction with their model for nursing.

The RLT model is holistic, as it identifies five components, including the activities of Daily living (ADL), life span, dependence/independence, factors influencing AL and individuality in living, which are interrelated (Healy & Timmins, 2003; Holland et al, 2004; Roper et al, 1996). Roper et al (2000) view the patient as an individual that lives through the life span, with changing levels of dependence and independence, depending on age, circumstances and the environment (Healy & Timmins, 2003). The twelve ADL are influenced by five factors, namely; biological, psychological, sociocultural, and environmental and politico economic (Healy & Timmins, 2003; Holland et al, 2004; Roper et al, 1996).

The RLT model individualises care using the nursing process. The model guides the nursing process, as it informs the nurse to assess the ADL (Holland et al, 2003; Roper et al, 2000; Tierney, 1998). Nursing models are flexible and can be altered to achieve individualised care, meaning the needs of an individual patient are met at a particular point in time (Radwin & Alster, 2002). However, it is not always achieved in practice (Waters & Easton, 1999).