The Bioecological Model of Human Development

In this chapter, we undertake to present the ecological model of human development that has been introduced in a prior edition of this Handbook. The bioecological model is an evolving theoretical system for the scientific study of human development over time. The model presented in this chapter represents major theoretical innovations from the 1983 chapter in both form and content. The new model is not a paradigm shift, but rather represents a transition from a focus on the environment to a focus on proximal processes as engines of development. We begin with the defining properties of the model, which involves four principal components (process, person, context, and time), and the dynamic, interactive…