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Equivalence:
Connecting Concepts in Networks Efficiently
Daniel C. DeRosa
Behavior Analysis
DeRosa CS Presentation
Autism Spectrum Disorders
1 in 80 to 1 in 240
I in 110
Estimated 1 in 94 boys born in the United States
(Based on CDC Report)
Difficulties in:
Interacting socially
Building meaningful relationships
Learning language
Learning to read
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DeRosa CS Presentation
Equivalence Paradigm
Reading Comprehension (Sidman, 1971)
Establishing Categories (Griffee & Dougher, 2002)
Statistics (Fields et al., 2009)
Braille Literacy (Toussaint & Tiger, 2010)
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That’s Equivalence
IfA =
B
& A =
C,then
B = C,
andC =
B,
C = A,
B = A
DeRosa CS Presentation
Reflexivity
fdg g
df
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DeRosa CS Presentation
Symmetry
fd
ggd
f
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DeRosa CS Presentation
Transitivity
f
d g
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DeRosa CS Presentation
Equivalence Class Formation
f
d g
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DeRosa CS Presentation
Methodological Arrangement
Equivalence Class 1 Equivalence Class 2
fdg
gia
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DeRosa CS Presentation
Sample & Comparison Stimuli: Identity Matching
f
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f g
DeRosa CS Presentation
Sample & Comparison Stimuli:Identity Matching
g
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f g
DeRosa CS Presentation
Comparison Stimuli
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fg
DeRosa CS Presentation
Comparison Stimuli
id
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DeRosa CS Presentation
Comparison Stimuli
ag
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DeRosa CS Presentation
Sample & Comparison Stimuli: Arbitrary Matching
f
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d i
DeRosa CS Presentation
Sample & Comparison Stimuli:Arbitrary Matching
g
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d i
DeRosa CS Presentation
Directly Trained Relations
f
d g
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DeRosa CS Presentation
Emergent Symmetrical Relation
f
d g
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DeRosa CS Presentation
Emergent Transitive Relation
f
d g
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DeRosa CS Presentation
Emergent Transitive Relation
f
d g
g
i a
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DeRosa CS Presentation
Who cares?
Basic research
Translated to application
Teaching children with autism:
To read
To understand language
To communicate
in the MOST efficient way possible
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DeRosa CS Presentation
Emergent Transitive Relation
f
d g
g
i a
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DeRosa CS Presentation
Emergent Transitive Relation
CAT GATO DOG PERRO
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DeRosa CS Presentation
Water
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DeRosa CS Presentation
What do I need?
2 user interfaces (researcher & participant)
Control of the order of presentation
Control of the number of comparison stimuli presented
Ability to change the images presented
Ability to record the amount of time taken to respond
Additionally:
Stimulus preference assessment
On-screen token board
Sound output
More…
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DeRosa CS Presentation
Basic research now, but…
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