In this article we address the issue of applying operant psychology to derive plausible and useful interpretations of complex firm behavior in natural settings. The objective is to discuss an appropriate methodology based on case study design, developed specifically in Vella and Foxall (2011), to produce an operant interpretation of secondary…

This paper presents a method for distinguishing between extinction and punishment effects. In extinction and punishment, different schedules of reinforcement or punishment are in effect when a given proportion of responses is blocked. Response patterns in treatment of hand mouthing in an adult with profound mental retardation suggest that a…

Discussion of the functional relationship between self-injurious behavior (SIB) and self-restraint in people with severe disabilities considers SIB and self-restraint as members of the same functional response class, SIB and self-restraint as functionally independent responses, access to self-restraint as positive reinforcement of SIB, termination…

This study evaluated self-control and impulsivity in two nine-year- old males with severe developmental disabilities and behavior disorders. Functional analyses suggested that aggression was reinforced by food access. A differential reinforcement procedure to reinforce appropriate mands was implemented. Although aggression occurred when it…

This case study describes a selective mute Mexican American boy, who, at initial referral, had never spoken to peers or teachers at school. Treatment procedures employed shaping and reinforcement of speech in therapy sessions. Sessions involved the psychologist alone, the classroom teacher and psychologist, the boy's best friend and the…

Research and development work performed by the authors as employees of the Central Midwestern Regional Educational Laboratory is treated in this book concerning the acculturation processes through which children develop the essential human characteristics, in particular, the humane processes of humanization. The 10 chapters of the book are: 1.…