This paper examines middle range theory as the most applicable theoretical framework for nursing practice in the 21st century. It begins by situating middle range theories within the broader landscape of nursing theories, contrasting them with grand theories and situation-specific theories. The paper then details the three types of middle range theories—descriptive, explanatory, and predictive—providing examples such as Peplau's theory of interpersonal relations, Watson's theory of human caring, and Orlando's theory of deliberative nursing process. Drawing on sources including Smith and Liehr (2013) and Fawcett (2005), the paper argues that middle range theories best support evidence-based practice, advance nursing knowledge, and improve patient care outcomes.
The credibility of a profession is mainly based on the professional's ability to create and apply appropriate theory. Theories are notions or concepts used for inferring observations, elucidating experiences, and unfolding relationships among project results. Theories are derived from conceptual models, and their main function is to narrow and fully specify the phenomena contained in those models. A theory should also provide a relatively concrete and specific structure for interpreting initially puzzling situations, behaviors, and events.
A nursing theory is defined as a set of concepts, relationships, definitions, and assumptions that are derived from nursing models and project a systematic view of phenomena by designing particular inter-relationships among concepts, with the purpose of explaining, describing, predicting, and prescribing. Theories are derived using either deductive or inductive reasoning (Smith & Liehr, 2013). Nurses make use of various theories in their daily care for patients and families, and the nurse will mostly focus on the theory that offers the best care for his or her patient. There is much uncertainty in the delivery of care to patients, both directly and indirectly. Overhead costs have increased, and nurses often find themselves caught in the middle of administrative decisions regarding staffing. There are also demands for technological advancements that directly affect the delivery of care in the future.
In the midst of all these challenges, the nurse is still expected to offer proper care to the patient at all times. There are three nursing theories applicable to nurses, and each is crucial in different abstraction aspects of nursing. The first is grand theory, which has a broad scope and presents general propositions and concepts, making it unsuitable for empirical testing. Grand theory is limited to directing, predicting, and explaining nursing in particular situations. The second is situation-specific theory, a narrow-range concept that offers high specificity compared to the others and is useful in guiding specific actions for achieving desirable objectives. The third is middle range theory, which is the main focus of this paper. Middle range theory is the most applicable theory for the nursing profession in the 21st century.
Middle range theories are deemed to be more concrete and narrower than grand theories because they are made up of a limited number of concepts and propositions written at relatively specific and concrete levels (Fawcett, 2005). Middle range theories are directly linked to practice and research. It is possible to develop middle range theories inductively through practice observations and qualitative research, or deductively through synthesis and logical analysis. Practicing nurses can use middle range theories to develop practice guidelines. For example, nurses in oncology could develop protocols for caring for patients receiving chemotherapy by using the theory of unpleasant symptoms.
Middle range theories operate at the conceptualization levels that inform nursing practice and research, thereby advancing foundational knowledge and enhancing the quality of care offered to patients (Lenz, Pugh, Milligan, Gift, & Suppe, 1997). Middle range theories were created to assist the nursing profession in realizing its overall mission and goals in the present and in the future. The nursing profession's mission has always been the alleviation of pain, distress, and suffering, as well as promoting health-seeking behaviors that lead to improved health outcomes. Middle range theories sit between grand theories and situation-specific theories, making them more targeted to specific interventions that can be easily implemented. For this reason, middle range theories are designed to offer frameworks for managing patient experiences with symptoms and for understanding patient responses to illness and health phenomena.
"Why nursing knowledge requires middle range theory development"
"Descriptive, explanatory, and predictive sub-types explained"
The future of health care is in constant change. There is a need to improve patient satisfaction and outcomes, and middle range theories tend to support this development, which is why they are most applicable for the 21st century. The only way to lead nurses into the future is through the use of evidence-based practice developed through research studies and theory. Middle range theories are applicable to all aspects of the nursing profession — from education and administration to direct patient care.
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