A schedule of reinforcement where the presentation of reinforcement is dependent on the first response occurring after a fixed period of time has passed. Each interval is increased after each enforcement.

PROGRESSIVE-INTERVAL SCHEDULE: "Progressive Interval Reinforcement depends on increasing the length of the interval after each reinforcement."
Cite this page: N., Pam M.S., "PROGRESSIVE-INTERVAL SCHEDULE," in, April 28, 2013, (accessed April 20, 2021).