Partial reinforcers, also known as intermittent or partial reinforcement, refer to a type of reinforcement schedule where the desired behavior is only occasionally reinforced. This means that the reinforcement is not given every time the behavior occurs.
Related terms
Fixed Ratio Schedule: A fixed ratio schedule is when reinforcement is provided after a fixed number of responses. For example, receiving a sticker for every 5 math problems solved correctly.
Variable Ratio Schedule: A variable ratio schedule is when reinforcement is provided after an unpredictable number of responses. For instance, winning prizes from a vending machine where the number of tries needed to win varies each time.
Fixed Interval Schedule: A fixed interval schedule is when reinforcement is provided after a fixed amount of time has passed since the last response. An example could be getting paid every two weeks for work done.