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
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Reflexivity
fdg g
df
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Symmetry
fd
ggd
f
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Transitivity
f
d g
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Equivalence Class Formation
f
d g
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Methodological Arrangement
Equivalence Class 1 Equivalence Class 2
fdg
gia
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Sample & Comparison Stimuli: Identity Matching
f
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f g
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Sample & Comparison Stimuli:Identity Matching
g
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f g
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Comparison Stimuli
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fg
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Comparison Stimuli
id
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Comparison Stimuli
ag
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Sample & Comparison Stimuli: Arbitrary Matching
f
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d i
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Sample & Comparison Stimuli:Arbitrary Matching
g
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d i
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Directly Trained Relations
f
d g
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Emergent Symmetrical Relation
f
d g
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Emergent Transitive Relation
f
d g
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Emergent Transitive Relation
f
d g
g
i a
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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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Emergent Transitive Relation
CAT GATO DOG PERRO
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Water
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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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DeRosa CS Presentation
Contact Info
Daniel C. DeRosa, M.S.
(215)313-0248
[email protected]
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