Treating aerophagia with contingent physical guidance.

Contingent physical guidance was used to treat chronic aerophagia. This consisted of guiding the participant's hand over her mouth following each attempt to engage in aerophagia. A wristwatch was then correlated with the contingent physical guidance procedure.

Credentialing behavior analysts and the Florida behavior analysis certification program.

Nearly 1,000 professions are regulated in one or more of the 50 states. Behavior analysis is not regulated as a distinct profession except in Florida. Typically, the regulation of behavior analysis is subsumed within other professions (such as psychology) whose practices often differ considerably from those of behavior analysis.

Choice and terminal-link response topography.

Six pigeons responded under concurrent-chains schedules. For 3 birds, pecking was required in both initial links; for 3 others, treadle pressing was required. For all subjects, pecking was required in one terminal link and treadling in the other.