Three individuals with multiple severe disabilities were taught an appropriate response to problem behaviors, but the response was less efficient than the problem behavior on physical effort, schedule of reinforcement, or stimulus-reinforcer time delay. The response did not compete successfully with the problem behaviors until a new, more…

A functional analysis of the aggressive behaviors of a 14-year-old boy with moderate mental retardation found that aggression occurred during instruction on difficult tasks. Researchers taught both a high-efficiency/low-effort and a low-efficiency/high-effort response using communication devices. The high-effort response was used regularly, was…