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Reinforcement Schedules

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Reinforcement Schedules Match the type of reinforcement schedule to the example that best defines it. Reinforcement Schedule Review RATIOS = RESPONSES Fixed Ratio (FR ... – PowerPoint PPT presentation

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Title: Reinforcement Schedules


1
Reinforcement Schedules
  • Match the type of reinforcement schedule to the
    example that best defines it.

2
Reinforcement Schedule Review
  • RATIOS RESPONSES
  • Fixed Ratio (FR) Reinforcement occurs after a
    fixed number of responses
  • Results in a burst-pause-burst-pause pattern
  • Variable Ratio (VR) Reinforcement occurs after
    an average number of responses. Number of
    responses required for reinforcement is
    unpredictable.
  • Results in high, steady rates of responding with
    almost no pauses

3
Reinforcement Schedule Review
  • INTERVALS TIME
  • Fixed Interval (FI) A reinforcer is delivered
    for the first response after a preset time
    interval has elapsed.
  • Number of responses tends to increase as the time
    for the next reinforcer draws near then long
    pause occurs after reinforcement.
  • Variable Interval (VI) A reinforcer is
    delivered for the first response after an average
    time interval has elapsed. The interval is
    unpredictable.
  • Number of responses will be moderately steady
    because reinforcement could occur at any time.

4
Example 1
  • A business that advertises that it will change
    your oil in 20 minutes offers you a free oil
    change after you have had your oil changed 5
    times at their business.

5
Example 1 ANSWER
  • FIXED RATIO (FR)

6
Example 2
  • Although farmers put out about the same amount
    of labor each year, sometimes they sell their
    grain at harvest time, sometimes in January, and
    sometimes in late March.

7
Example 2 ANSWER
  • VARIABLE INTERVAL (VI)

8
Example 3
  • You are fly fishing in a great trout stream.
    Sometimes you catch a fish after only 4 or 5
    casts sometimes it takes 10 or 20 casts.

9
Example 3 ANSWER
  • VARIABLE RATIO (VR)

10
Example 4
  • A bank employee is given a bonus of a 30
    restaurant coupon for every 4 hours of overtime
    he volunteers to work.

11
Example 4 ANSWER
  • FIXED INTERVAL (FI)

12
Example 5
  • A young child demands a candy bar each time she
    is in the checkout line at the grocery store.
    Sometimes the parent gives her one and sometime
    he doesnt.

13
Example 5 ANSWER
  • VARIABLE RATIO (VR)

14
Example 6
  • A piano teacher gives a 6-year-old student a
    sticker for each song he plays well.

15
Example 6 ANSWER
  • FIXED RATIO (FR)

16
Example 7
  • You are still fishing from a dock. You sit with
    your line in the water and wait for the fish to
    strike. Sometimes it takes only 20 minutes, and
    sometimes it takes an hour or more.

17
Example 7 ANSWER
  • VARIABLE INTERVAL (VI)

18
Example 8
  • You do piece work in a factory. For every 3
    sleeves you sew on garments, you get 0.50.

19
Example 8 ANSWER
  • FIXED RATIO (FR)

20
Example 9
  • For each half day that a second grader pays
    attention and works well, the teacher gives her a
    Good Behavior dollar that she can trade in at
    the end of the week for desired objects from the
    store.

21
Example 9 ANSWER
  • FIXED INTERVAL (FI)

22
Example 10
  • A vacuum cleaner salesperson does numerous
    presentations in peoples homes and gets paid a
    bonus each time he or she sells a vacuum.
    Sometimes the salesperson does 5 presentations
    before a customer buys a vacuum, sometimes 2
    customers in a row purchase the product.

23
Example 10 ANSWER
  • VARIABLE RATIO (VR)

24
Example 11
  • Your paycheck arrives on the 1st and the 15th
    of every month.

25
Example 11 ANSWER
  • FIXED INTERVAL (FI)

26
Example 12
  • Buying state lottery tickets winning.

27
Example 12 ANSWER
  • Variable Ratio (VR)

28
Example 13
  • A hotel maid may take a 15-minute break only
    after having cleaned three rooms.

29
Example 13 ANSWER
  • Fixed Ratio (FR)

30
Example 14
  • Watching and seeing shooting stars on a dark
    night.

31
Example 14 ANSWER
  • Variable Interval (VI)

32
Example 15
  • A teenager receives an allowance every Saturday.

33
Example 15 ANSWER
  • Fixed Interval (FI)

34
Example 16
  • Checking the front porch for a newspaper when
    the delivery person is extremely unpredictable.

35
Example 16 ANSWER
  • Variable Interval (VI)

36
Example 17
  • A professional baseball player gets a hit
    approximately every third time at bat.

37
Example 17 ANSWER
  • Variable Ratio (VR)

38
Example 18
  • Checking the oven to see if chocolate chip
    cookies are done, when the baking time is known.

39
Example 18 ANSWER
  • Fixed Interval (FI)

40
Example 19
  • A blueberry picker receives 1 after filling 3
    pint boxes.

41
Example 19 ANSWER
  • Fixed Ratio (FR)

42
Example 20
  • A charitable organization makes an average of
    ten phone calls for every donation it receives.

43
Example 20 ANSWER
  • Variable Ratio (VR)

44
Example 21
  • Calling a garage mechanic to see if your car is
    fixed yet.

45
Example 21 ANSWER
  • Variable Interval (VI)

46
Example 22
  • A students final grade improves one level for
    every three book reviews submitted.

47
Example 22 ANSWER
  • Fixed Ratio (FR)

48
Example 23
  • Going to the cafeteria to see if the next meal
    is available.

49
Example 23 ANSWER
  • Fixed Interval (FI)
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