Behavioral assessment is a psychological assessment paradigm that emphasizes empirically supported, multimethod and multi-informant assessment of specific, observable behaviors and contemporaneous causal variables in the natural environment. The behavioral assessment paradigm stresses the use of well-validated assessment instruments and assumptions that social/environmental, cognitive, and physiological variables are often important sources of behavior variance.

The behavioral assessment paradigm has had a major influence on the field of psychological assessment. It has affected the...