separated departments or, in most cases, specialised universities. However, there is the case of multidisciplinary courses, such as International Studies, which draw upon all three forms of science and show a possible connection between each. This essay will outline the differences in the three sciences and their specific approach to knowledge, as to demonstrate the relevancy and usefulness of their distinctive disciplines in multidisciplinary courses.
influence on the field of psychology as we know it today. The child development theories put forward by both Jean Piaget and Erik Erikson have had substantial impacts on contemporary child psychology, early childhood education, and play therapy. In this essay, I aim to highlight the contribution of these two theorists in their study of various developmental stages, the differences and similarities in their theories, and their contributions to the theory and practice of play therapy. Jean Piaget Jean
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