This response to four papers on the nature of reinforcement focuses on the implications for application of theory to practice. The response addresses: reversibility of single-incentive selective associations; response deprivation, reinforcement, and economics; the substitutability of reinforcers; and delay reduction. (DB)

A brief biographical sketch of Burrhus Frederick Skinner is offered, followed by a review of his impact on education and psychology. His research in radical behaviorism, his theoretical contributions, development of programed instruction techniques, token economies, and numerous inventions by himself and his proteges are summarized. (PB)

Reports on the misconceptions held about behavior analysis among students in two advanced undergraduate courses in behavior modification. Finds that only 3 of 13 common misconceptions were held widely. Reveals that these three misconceptions were resistant to change. (CFR)

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…