The Roper, Logan and Tierney model of nursing (originally published in 1980, and subsequently revised in 1985, 1990 and the latest edition in 1998) is a model of nursing care based upon 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

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The relevant information to answer the above question is: The Roper, Logan and Tierney model of nursing (originally published in 1980, and subsequently revised in 1985, 1990 and the latest edition in 1998) is a model of nursing care based upon activities of living (ALs). The answer is a model of nursing care based upon activities of living ( ALs ).