Nancy Roper, Winifred Logan, and Alison J. Tierney
• A Model for Nursing Based on a Model of Living
• Logan produced a simple theory, “which actually helped bedside nurses.”
• collaborated in the fourth edition of The Elements of Nursing: A Model for Nursing Based on a Model of Living
• Includes maintaining a safe environment, communicating, breathing, eating and drinking, eliminating, personal cleansing and
dressing, controlling body temperature, mobilizing, working and playing, expressing sexuality, sleeping, and dying.