The bioecological model is a theoretical model of gene–environment interactions in human development. This model, first proposed by Urie Bronfenbrenner and Stephen J. Ceci,[1] in 1994, is an extension of Bronfenbrenner's original theoretical model of human development, called ecological systems theory. Bronfenbrenner developed the bioecological model after recognizing that the individual was overlooked in other theories of human development, which were largely focused on the context of developme