Published online by Cambridge University Press: 09 February 2026
This chapter is devoted to developing and clarifying one of the most unique and important constructs of attachment theory: the internal working models (IWMs) by which relationships influence other relationships and personality. We begin by describing how IWMs develop, discuss different definitions and conceptualizations of IWMs associated with different developmental stages, and then offer a new way of thinking about IWMs as both implicit and explicit representations that function at different levels of awareness. We then discuss factors that promote stability and change in IWMs, highlighting how earlier experiences with attachment figures may shape subsequent IWMs associated with other attachment figures. We next present a framework outlining the conditions under which IWMs associated with specific attachment figures earlier in life can become “activated” to influence how people think, feel, and/or behave with their current attachment figures. We conclude by proposing several promising directions for future research.
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