Roper–Logan–Tierney model of nursing

The Roper, Logan and Tierney model of nursing (originally published in 1980, and subsequently revised in 1985, 1990, 1998 and the latest edition in 2000) is a model of nursing care based on activities of living (ALs). It is extremely prevalent in the United Kingdom, particularly in the public sector. The model is named after the authors – Nancy Roper, Winifred W. Logan and Alison J. Tierney