2022 Reprint of the 1957 Edition. Exact facsimile of the original edition and not reproduced with Optical Recognition Software. This revolutionary book, first published in 1957, described how organisms could be reinforced on different schedules and that different schedules resulted in varied behavioral outcomes. Table of contents: Introduction Continuous Reinforcement Schedule Partial Reinforcement Schedules Fixed Interval Variable Interval Fixed Ratio Variable Ratio Response Rates of Different Reinforcement Schedules Extinction Rates of Different Reinforcement Schedules Implications for Behavioral Psychology