 Because people can think, make choices, and use new information to revise their understandings (and hence their practice), they can use the knowledge and insights of social science to change their practice.In outlining his notion of the double hermeneutic, Giddens explains that while philosophers and social scientists have often considered the way "in which lay concepts obstinately intrude into the technical discourse of social science," ... "(f)ew have considered the matter the other way around.