Here are some of the most prominent nursing theories to get you started:

• Florence Nightingale’s Environmental Theory: This theory focuses on manipulating the environment to promote healing.
• Dorothea Orem’s Self-Care Deficit Theory: This theory proposes that nurses should help patients meet their self-care needs.
• Virginia Henderson’s Need Theory: This theory identifies 14 fundamental human needs that nurses can assist patients with.
• Jean Watson’s Theory of Human Caring: This theory emphasizes the importance of the nurse-patient relationship in promoting healing.
• Myra Levine’s Conservation Model: This theory focuses on conserving a patient’s energy resources.

Once you tell me the specific theory you’re interested in, I can provide a detailed description of the theorist and their principles, and how it might apply to your nursing practice.