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

3. CHEAT SHEET RATIO: Based on Events INTERVAL: Based on Time

4. FOR EXAMPLE.. Salary=Time Commission=Ratio Paycheck would then be on what type of schedule?

5. FIXED-INTERVAL

6. FIXED-RATIO SCHEDULES Reinforce behavior after a set number of responses Example previously used: Free coffee after 10 purchases Punch card at the car wash

7. VARIABLE-RATIO SCHEDULES Provide reinforcers randomly… EX—SLOT MACHINES

8. FIXED-INTERVAL SCHEDULES Reinforces a response only after a specified time has elapsed.

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

10. VARIABLE-RATIO

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

12. FIXED-INTERVAL

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

14. FIXED-RATIO