Kennon A. Lattal, Hiroto Okouchi
Skinner (1953) defined social behavior as “the behavior of two or more people with respect to one another or in concert with respect to a common environment” (Skinner, 1953, p. 297). To this definition, Sakuma and Moriyama added a qualification to Skinner’s definition that is especially germane to the present issue of the Mexican Journal of Behavior Analysis: