Quick ReviewLet’s quickly revisit what we covered at the end of our last class and was the main topic of the homework…

CHEAT SHEETRATIO: Based on Events

INTERVAL: Based on Time

FOR EXAMPLE..Salary=TimeCommission=Ratio

Paycheck would then be on what type of schedule?

FIXED-RATIO SCHEDULESReinforce behavior after a set number of responses

Example previously used: Free coffee after 10 purchases

Punch card at the car wash

VARIABLE-RATIO SCHEDULESProvide reinforcers randomly…

EX—SLOT MACHINES

FIXED-INTERVAL SCHEDULESReinforces a response only after a specified time has elapsed.

So you guys tell me…Door to door salespeople are reinforced by which schedule?

People checking the oven to see if the cookies are done are on which schedule?

Airline frequent flyer programs that offer a free flight after every 25,000 miles are on what schedule?