Review of Schedules of Reinforcement

You go to Atlantic City to play the slot machines. Sometimes you win money after putting in 3 quarters, sometimes after 15 quarters and sometimes after putting in 7.

• Variable Ratio

• Fixed Ratio

• Variable Interval

• Fixed Interval

You get a paycheck every Tuesday.

• Variable Ratio

• Fixed Ratio

• Variable Interval

• Fixed Interval

A psychologist gives a rat a food pellet each time it pushes a lever in its cage.

• Variable Ratio

• Fixed Ratio

• Variable Interval

• Fixed Interval

You go fishing in the Chesapeake Bay every weekend. Sometimes it takes 1 hour to catch a fish, sometimes 15 minutes and sometimes 45 minutes.

• Variable Ratio

• Fixed Ratio

• Variable Interval

• Fixed Interval

A college student's mother sends her daughter a box of chocolate candies every Thursday.

• Variable Ratio

• Fixed Ratio

• Variable Interval

• Fixed Interval

George works in a factory putting fenders on cars. He gets paid $ 100 for every 4 fenders he finishes.

• Variable Ratio

• Fixed Ratio

• Variable Interval

• Fixed Interval

Michael's mother gives him an M & M for each toy he puts away in his toy box.

• Variable Ratio

• Fixed Ratio

• Variable Interval

• Fixed Interval

Terri collects empty soda cans. The recycling center gives her $ 1.00 for every 30 cans.

• Variable Ratio

• Fixed Ratio

• Variable Interval

• Fixed Interval

Tom delivers newspapers in his neighborhood. Sometimes Mrs. Lewis pays him for 2 weeks at a time, sometimes she pays him for 1 week and sometimes she pays him for 1 month.

• Variable Ratio

• Fixed Ratio

• Variable Interval

• Fixed Interval

Bill starts playing the lottery. He wins $ 10.00 the first time he plays. He plays 12 more times before he wins again.

• Variable Ratio

• Fixed Ratio

• Variable Interval

• Fixed Interval