A schedule of reinforcement in which a reinforcer is only presented upon the completion of a set number of responses. The number of required responses increases after each presented reinforcement. Most commonly the number of responses increase in set increments between reinforcements.

PROGRESSIVE-RATIO SCHEDULE: "A progressive ratio schedule deals with increasing responses between reinforcers."
Cite this page: N., Pam M.S., "PROGRESSIVE-RATIO SCHEDULE," in, April 28, 2013, (accessed October 16, 2021).