By: Laney Copenheaver and MyKayka Firestone
Fixed Ratio: You get 3 A's on a test and then you can get a homework pass. The reinforcer is the homework pass.
Variable Ratio: Playing bingo until you win to get a gift card. The reinforcer is the gift card.
Fixed Interval: Grey's Anatomy is on every Thursday at 8 PM so you wait for 8 PM every Thursday. The reinforcer is knowing what happens on that episode.
Variable Interval: A goalie is waiting until a shot is taken at them. The reinforcer is blocking a shot.