A predetermined pattern that determines when and how often reinforcement is delivered following a desired behavior. Different schedules produce distinct patterns of responding and resistance to extinction.
Developed by B.F. Skinner in the 1930s-1950s, combining 'reinforce' from Old French 'renforcier' (to strengthen) with 'schedule' from Latin 'schedula' (small sheet of paper). Skinner systematically mapped how different timing patterns of rewards dramatically altered behavior patterns.
Casinos are masterful at using variable ratio schedules - you never know when the next win will come, which creates the most addictive pattern of behavior possible. Meanwhile, your monthly salary follows a fixed interval schedule, which explains why productivity often drops right after payday!
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