Module 4 Flashcards

1
Q

reinforcement

A

behavior is followed closely in time by a stimulus event and as a result the future frequency of that type of behavior

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2
Q

reinforcer

A

a stimulus

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3
Q

reinforcing

A

property of a stimulus

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4
Q

reinforcement

A

operation: delivery of consequences when a response occurs

and a process: the increase of responding that results from reinforcement

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5
Q

reinforce

A

operation and process

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6
Q

positive reinforcement

A

when response is followed by a stimulus and as a result similar responses occur more frequently in the future

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7
Q

positive reinforcer

A

the stimulus presented as a consequence and responsible for the subsequent increase in responding

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8
Q

negative reinforcement

A

occurence of removal, termination, reduction or postponement of a stimulus which leads to an increase in the future occurence or response

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9
Q

negative reinforcer

A

stimuli whose removal strengthens behavior

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10
Q

unconditioned reinforcers

A

a stimulus that can increase the future frequency of behavior without prior pairing with any other form of reinforcement
referred to as primary

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11
Q

conditioned reinforcers

A

a perviously neutral stimulus that has acquired function of reinforcer through stimulus-stimulus pairing
secondary

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12
Q

generalized conditioned reinforcers

A

having been paired with many unconditioned and conditioned reinforcers does not depend on a current EO for any particular form of reinforcement for its effectiveness

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13
Q

differential reinforcement

A
DRA: alternative behavior
DRO: other behavior
DRL: low rates
DRI: incompatible
DRH: high rates
DRD: diminishing rates
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14
Q

automatice reinforcement

A

some behaviors produce their own reinforcement independent of the mediation of others

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15
Q

premark principle

A

making the opportunity to engage in a behavior that occurs at a relatively high free operant (or baseline) rate contingent on the occurence of low-frequency behavior will function as reinforcement for the low-frequency behavior

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16
Q

variables affecting reinforcement

A

motivation
- satiation, deprivation
motivating operations
- establishing, abolishing
immediacy
- reinforcer must immediately follow response
- fade over time
set an easily achievable initial criterion for reinforcement
use high quality reinforcers
use varied reinforcers
use direct reinforcers
combine response prompts with reinforcement
reinforce each occurence initially
use contingent attention and descriptive praise
gradually increase response- to reinforcement delay
gradually shift from contrived to naturally occurring reinforcers

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17
Q

some useful domains

A
edible-can lead to satiation
sensory 
tangible
activity
social
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18
Q

4 schedules of reinforcement

A

fixed-interval
variable-interval
fixed-ratio
variable-ratio

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19
Q

schedule of reinforcement

A

continuous: reinforcer after every occurence
intermittent: reinforcing target response occasionally

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20
Q

fixed-interval

A

time based: reinforcement delivered after a specific amount of time
time period is fixed
reinforcer delivered contingent upon the first behavior following the time period
results in a scallop pattern of responding
- more responses as the time period elapses

21
Q

variable-interval

A

time baed
time period is variable
reinforcer delivered contingent upon first behavior following the time period
results in a consistent rate of responding

22
Q

fixed ratio schedule

A

response based
requires completion of a specified number of responses to produce a reinforcer
results in rapid rates of responding

23
Q

variable-ratio

A

response based
requires a completion of a variable number of responses
results in rapid rates of responding

24
Q

Complex schedules

A
progressive
concurrent 
multiple
mixed
tandem
25
preference assessments
formal: ahead of time prior to teaching informal: not done ahead of time. done in context of teaching important for those who cannot indicate what they want
26
Graff and Krasten
surveyed 402 professionals 32% were BCBA or BCaBAs 89% used in the course of intervention
27
Informal Interviews
interviewing the student, teacher, caregiver face-face or filling our an assessment - reinforcer assessment -school reinforcement survey schedule generates a list of potential reinforcers provides choice shown to be unreliable
28
Free Operant preference assessment
free access to a variety of stimuli for a duration of time no stimuli are removed record duration or interaction/engagement provides a hierarchy/rank of preferences shorter than formal preference assessments results in lower levels of aberrant behavior
29
Free operant video
told em to go play and you sit back and relax | watched what he played with and you can determine some potential items that are used as enforcers
30
multiple stimulus without replacement (MSWO)
present a number of stimuli to the student pre-exposure to stimuli have them play with the stimuli and you can teach them how to components: 1. arrange full array of stimuli 2. instruct student to select one 3. student interacts for period of time (time reasonable for activity) 4. stimulus is removed 5. repeat steps 1-4 provides a hierarchy - shows most preferred item to least preferred they would like to play with
31
Multiple stimulus with replacement
similar to above, but,
32
paired stimulus preference assessment
``` a choice between two stimuli pre-exposure to stimuli components: 1. present two stimuli 2. instruct student to select one 3. student interacts for period of time 4. repeat steps 1-3 until all stimuli paired Best to conduct multiple assessments Randomize placement creates a hierarchy typically longer then msw(o) can result in problem behavior because they do not want to give up the item ```
33
In the moment reinforcer analysis
no formal preference assessment done ahead of time in the moment assessing what can be a potential reinforcer in the moment and evironment - verbal and non-verbal behavior - frequency of delivery - ability to conidtions look at data to see what stimuli to use
34
clinical judgement
interfering behaviors: some items may interfere verbal behavior: are they saying they want it non verbal: are they smiling or frowning? body language? receptive: hesistant or take ti eight away? playing style: do they know how to play with it? are they having fun? age appropriate: item age apps. to the learner recent performance and past: is behavior changing? if not then we don't have a functional reinforcer health benefits: is it unhealthy physically? too much sugar and calories socialization: can you use it as a single person or part of a game novelty conditioning overall number: how many times did you give them the reinforcer? deprivation or satiation? location: can be used in specific areas?
35
Conditioning Reinforcers
food is often used, that not healthy man
36
Age inappropriate reinforcers
``` things like barney and the wiggles problem because: self fulfilling prophecy not expanding on limited interests- with autism there is often only selected interests and you need to have them increase their interests so they can socialize Bullying ```
37
Conditioning reinforcers
taking a non preferred stimulus and make them preferred as a reinforcer does not require systematic intervention: money, wine, baseball individuals with asd does require systematic intervention: must condition the reinforcers
38
methods to condition reinforcers
pairing: neutral (un preferred) stimulus and pair with an established reinforcer observational learning: watching others access stimuli
39
10 commands of reinforcement
1. must use it: tangible items and social praise 2. preferences do not equal reinforcers: it's a functional reinforcer if behavior increases as you present it 3. must be made contingent: on that target behavior 4. reinforcement does not equal food 5. reinforcement may have to be conditioned: overtime 6. The concept of reinforcement might have to be taught 7. reinforcement is for skill acquisition and more importantly for reduction of aberrant behavior 8. Reinforcement needs to be thinned: thinning schedule- looks like a vending machine 9. Reinforcement does not equal bribery: bribery- promised reinforcement if behavior stops. reinforcement- student uses appropriate behavior and receives reinforcement problems with bribery: usually works, reinforces disruptive behavior, it facilitates negotiation, it reduces independence 10. Must be age appropriate reinforcers
40
Reinforcement Peeves
- Free access: must be sure the children are not getting items freely but that it is contingent upon their behavior - used to entice: not bribery but bribery land. - Reinforcement schedule not thinned - not having it ready - comments don't match performance/ behavior (your verbal behavior must match their performance) - not rotating out (want a lot of toys, items, tangibles) - not creating (make neutral items preferred) - formal preference assessments
41
Token economies
commonly implemented student earns tokens contingent upon target behavior tokens are then exchanged for terminal reinforcer in the end examples: diminishing field, competitive token economy, level system
42
tokens
not weird but natural as possible | can take many forms
43
terminal reinforcers
vary | could be differential
44
delivering tokens
higher quality= more tokens
45
exchange rates
depends upon the rate of behavior
46
token economies: traditional approach
``` determine target behavior(s) determine criterion for token delivery determine exchange rate ensure quality "time-in" must be trained start with fewer tokens move to more tokens make sure the student is aware they are getting/losing tokens should be able to cash in ```
47
Rainbow tokens
- A conjugate schedule of reinforcement (continuous) - tokens movements towards the board is contingent upon target behavior - tokens movement stops or restarts contingent upon other behavior
48
Magic number system
learner is getting tokens throughout session. learner cashes in for preferred items