Schedules of Reinforcement
Fixed Ratio: if a Girl Scout earns 10 badges within 2 months they will receive a pizza party
Reinforcer: pizza party
Fixed Interval: if you catch the ice cream truck every Ghursday at 3pm, you will receive a free rocket Popsicle.
Reinforcement: Free Popsicle stick
Variable ratio: If you successfully fish for a duck with a number underneath it, you will receive a prize.
Variable Interval: You call in for a delivery pizza but you don't know the exact time in which it will arrive, but when it does you get a pizza.