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)

This essay discusses the significance functional analysis has had for applied behavior analysis of aberrant behavior. The methodology has lessened the field's reliance on default technologies and promoted analysis of environment-behavior interactions maintaining target responses as the basis for selecting treatments. It has also contributed to the…

This paper responds to commentaries on an original article which proposed decreasing the training of applied behavior analysts as if they were going to be researchers, because most are not. The paper supports high quality research but opposes inculcating proresearcher, antipractitioner values in graduate education and recommends trying harder to…