Unit 2 Flashcards

(45 cards)

1
Q

Reinforcer assessment evaluates: _____

A

Effectiveness of a stimulus as a reinforcer

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2
Q

Single operant reinforcer assessment: _____

A

Reinforcement is provided for a single response

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3
Q

Absolute reinforcer value is the ability of: _____

A

A single stimulus to reinforce responding

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4
Q

Concurrent operant reinforcer assessment: _____

A

Different reinforcers are simultaneously available for different responses

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5
Q

Relative reinforcer value is the ability of 1 stimulus to: _____

A

Function as a more powerful reinforcer than another

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6
Q

Progressive-ratio reinforcer assessment: _____

A

Finds break point as response requirement increases

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7
Q

Break point is evaluated in: _____

A

Progressive-ratio schedules

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8
Q

Break point: _____

A

Last ratio value where responding occurred

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9
Q

Stable preferences: _____

A

Remain the same over time

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10
Q

Reinforcement as a procedure: _____

A

Contingency arranged to influence learning

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11
Q

Reinforcement as a process: _____

A

Effect of consequence to strengthen behavior

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12
Q

Types of reinforcer assessments (3): _____

A

(1) Single operant
(2) Concurrent operant
(3) Progressive-ratio

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13
Q

Single operant reinforcer assessment assesses: _____

A

Absolute reinforcer value

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14
Q

Concurrent operant reinforcer assessment assesses: _____

A

Relative reinforcer value

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15
Q

Progressive-ratio reinforcer assessment assesses: _____

A

Capacity for thinning schedule of reinforcement

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16
Q

Considerations when selecting stimuli for PAs (5):

A
  1. Social validity
  2. Context
  3. Cost
  4. Health and secondary effects
  5. Program goals
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17
Q

Prioritizing types of reinforcers:

A
  1. Social items
  2. Leisure items with tokens
  3. Edibles with tokens
  4. Distributed edibles
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18
Q

Variables that impact reinforcer effectiveness (5):

A
  1. Parameters of reinforcement
  2. Satiation and deprivation
  3. Stimulus variation and choice
  4. History of contingencies
  5. Way reinforcement is delivered
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19
Q

Unwanted effects of reinforcement (5):

A
  1. “Unnatural” contingencies
  2. Undesirable response patterns
  3. Narrowing effect on behavior
  4. Shadowing the SD
  5. Strengthening undesired behavior
20
Q

Solution for a narrowing effect on behavior

A

Use a reinforcement schedule that promotes variation

21
Q

Solution for undesirable response patterns

A

Careful selection of schedules of reinforcement

22
Q

Solution for “unnatural” contingencies

A

Program natural reinforcement contingencies

23
Q

Solution for shadowing the SD

A

Program “natural” antecedents or systematic transfer of discriminative control

24
Q

Solution for strengthening undesired behavior

A

Pay attention to the type of response occurring when a reinforcer is delivered

25
Undesirable response patterns
The schedule of reinforcement used might influence undesirable rates (too high or too low) or inconsistent responding
26
Shadowing the SD
Learner might only attend to the discriminative stimulus established during training and not to “natural” antecedents that should control the behavior
27
"Unnatural” contingencies
Consequences that are different from the consequences that will be experienced in the “natural” environment and may therefore create a dependency on “contrived” reinforcers
28
Strengthening undesired behavior
Unwanted effect of reinforcement is related to the type of response immediately followed by a reinforcer is the type of response more likely to occur, meaning the wrong type of response could be selected
29
Narrowing effect on behavior
Unwanted effect of reinforcement related to only a specific type of responding is followed by a reinforcer, only that type of responding is more likely to occur
30
Concurrent Operant Reinforcer | Assessment Procedure
1. Select two (or more) identical tasks 2. Arrange a concurrent schedule - Completion of Task 1 = Stimulus A - Completion of Task 2 = Stimulus B 3. Include baseline phase or control condition - No programmed consequences 4. Analyze differences in responding between conditions
31
Single Operant Reinforcer | Assessment Procedure
1. Identify single response and consequence 2. Control: No programmed consequence for response 3. R-S contingency: Provide stimulus contingent on response (typically FR 1) 4. Repeat steps 2 and 3 using reversal or multielement design 5. Analyze differences in responding between baseline and reinforcement conditions
32
When to Use a Concurrent Operant | Reinforcer Assessment
1. Multiple sources of reinforcement 2. Identify more valuable reinforcers to use for more difficult tasks 3. Avoid satiation 4. To assess value of different magnitudes of a reinforcer
33
When to Use a Single Operant | Reinforcer Assessment
- To validate results of preference assessments - To identify a large array of reinforcers
34
Limitations of Concurrent Operant | Reinforcer Assessment
- May mask reinforcer effects for lower preference stimuli, resulting in false negatives - Does not assess reinforcer effectiveness when response requirements increase
35
Limitations of Single Operant | Reinforcer Assessment
- Not likely to identify “potency” relative to others - Not likely to identify if there are competing contingencies - Not likely to identify if response effort increases
36
Progressive-Ratio Reinforcer | Assessment Procedure
``` 1. Identify a response and a consequence 2. Arrange a progressive-ratio schedule 3. Provide reinforcement based on ratio requirement until participant ceases to respond for a predetermined amount of time (break point) ```
37
Limitations of Progressive-Ratio | Reinforcer Assessments
- More labor-intensive - Practical limits on how much to continue increasing the response requirements
38
When to Use Progressive-Ratio | Reinforcer Assessment
1. Response requirements will increase (Thinning schedules) 2. To determine effective parameters of reinforcement when increasing response effort 3. To identify reinforcers that compete with problem behavior when teaching alternative or incompatible behavior
39
Short-Term Targets (What & When to Reassess)
- Frequent, moderate effort response requirements with many opportunities to contact reinforcers - Assess more frequently
40
Long-Term Targets (What & When to Reassess)
``` - High effort, prolonged intervention with fewer opportunities to contact ultimate reinforcers - Use a more thorough initial assessment ```
41
Use the most efficient (brief MSWO) if....
There is a need for several effective | reinforcers
42
Use a more thorough | assessment (paired-stimulus) when...
Requiring prolonged effort for a | single reinforcer
43
Four Parameters of Reinforcement
1. Quality 2. Delay 3. Magnitude 4. Rate
44
Reinforcement During Acquisition
``` - Powerful, immediate consequences are ideal -- High quality -- Short delay -- Longer duration ``` - Consequence contacted EVERY TIME!
45
Reinforcement During | Generalization
- Could be: - - Longer delay - - Different type (quality) - - Shorter duration - Intermittent schedules