Abstract
'Quality' is a widely invoked concept in healthcare, and 'quality improvement' is now a central part of healthcare service delivery. However, these concepts and their associated practices represent relatively uncharted territory for applied philosophy and bioethics. In this paper, we explore some of the conceptual complexity of quality in healthcare and argue that quality is best understood to be conceptually plural. Quality is widely agreed to be multidimensional and as such constitutively plural. However, we argue that quality is plural in two further senses. First, quality is competitively plural : that is, different high-level conceptions of quality can be appropriately invoked in different contexts and serve...