The study found significant improvements in behavior when a profoundly mentally retarded blind subject was reinforced with music. The young woman also discriminated among different types of music, and behavior rates varied accordingly. (Author/DB)

A simultaneous presentation procedure to select reinforcers was implemented with two four-year-old twin boys who were developmentally delayed, noncompliant, and mute. Use of the procedure quickly and efficiently identified preferred reinforcers which were then used in an instructional task. (DB)

Use of a tangible reinforcer plus social reinforcement was found to be more effective in training a 33-year-old male with profound mental retardation to brush his teeth than social reinforcement alone. Determination of true positive reinforcers and training staff members to carry out such treatment programs are also discussed. (Author/VW)

This document contains four papers presented at a symposium on practitioner states moderated by Kay Bull at the 1996 conference of the Academy of Human Resource Development (AHRD). "The Effect of Locus of Control and Performance-Contingent Incentives on Productivity and Job Satisfaction in Self-Managing Teams" (Bonnie E. Garson, Douglas…