The theoretical perspective and naturalistic methods of ecological psychology developed by Roger Barker are described. Ecological assessment implies examining (1) naturally occurring behavior; (2) environment immediately surrounding behavior; and (3) the individual-environment link. The specimen record, chronolog, and behavior-setting survey are…

Suggests the need for detailed study of (1) behavior-environment interactions and (2) interdependencies within behavioral repertoires. Examines systems theory as a paradigm for both interpreting dynamic interrelationships and examining the complexities of learning and adaption. Argues for noninterventive studies of individual children's…