The subject of this thesis is the child's experience of the disappointment of its wishes during the early, most formative years of its psychological development. This is a common area of study in psychoanalytic developmental theories and a range of these established understandings will be discussed. My research on the child's experience of disappointment, which is presented in the context of these previous theories, endeavours to be original, however, by attempting to establish whether or not the experience is, in the context of the Kleinian object relational understanding of childhood development, significant in a way that has yet to be fully considered. In order to research whether my particular arguments, as to the importance of a child'...