The Nursing Need Theory was developed by Virginia A. Henderson to define the unique focus of nursing practice.
The Self-Care Nursing Theory or the Orem Model of Nursing was developed by Dorothea Orem is considered a grand nursing theory, which means the theory covers a broad scope with general concepts that can be applied to all instances of nursing.
The Environmental Theory by Florence Nightingale defined Nursing as “the act of utilizing the environment of the patient to assist him in his recovery.”
Faye Abdellah formulated the 21 Nursing Problems theory that changed the focus on nursing care from disease-centered to patient-centered.
The Interpersonal relationships Theory was developed by Hildegard E. Peplau in 1952.
The Adaptation Model of Nursing is a prominent nursing theory aiming to explain or define the provision of nursing science.
Lydia Hall developed the Care, Cure, Core Theory of Nursing which is also known as "Three Cs of Lydia Hall."
Dorothy E. Johnson proposed the Behavioral System Model Nursing Theory in 1968.
Martha Rogers' Science of Unitary Human Beings explains the coexistence of human and the environment.
The Transcultural Nursing Theory or Culture Care Theory by Madeleine Leininger involves knowing and understanding different cultures with respect to nursing and health-illness caring practices, beliefs and values with the goal to provide meaningful and efficacious nursing care services to people according to their cultural values and health-illness context.