The Occupational Adaptation (OA) theory illustrates the interaction of the person and the environment, and how it produces an internal adaptive response that occurs when individuals engage in the activities of daily living. The model is presented in a linear format and it is random, complex, and it is highly interactive when occupational therapists utilize this theory. The model of the OA process is based on three elements; the person, the occupational environment, and the interaction between these two. The left and the right side of the model are the two starting points. The internal factors are on the right side of the model and it refers to those factors that occur within a person like the desire for mastery which is an innate human response
