Transcript Video of Bayley assessment

Developmental Tests
Bayley Scales of Infant
and Toddler Development,
third edition
(Bayley-III)
Bayley Scales
Nancy Bayley – Institute of Child Welfare –
Berkeley CA
 Original test 1969
 Revised 2005
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Characteristics of test
1- 42 months
 Flexible administration format
 50 to 90 minutes
 Theoretically eclectic
 English only
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Uses of Bayley-III
Identify developmentally delayed children
 Chart progress on intervention program
 Teach parents about development
 Research tool
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Major goals of revision
Meet IDEA 2004 cirteria
 Update normative data
 Extend age range
 Improve content coverage
 Update stimulus materials
 Improve psychometric quality
 Improve clinical utility of scales
 Preserve basic qualities of scale
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Scales
Cognitive
 Language
 Motor
 Social-Emotional*
 Adaptive Behavior*
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Cognitive scale (Cog)
Infant: interest, attention/habituation, play
 Toddler: exploration (toys, situations),
problem solving, puzzle completion
 Preschool: pretend play, building blocks,
color matching, counting, more complex
puzzles
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Language scale (Lang)
Receptive Communication (RC):
 Infant: recognize sounds, objects, people
 Toddler: identify pictures and objects,
follow directions, play peek-a-boo, wave
bye-bye
 Preschool: follow more complex directions,
identify action pictures, understand basic
grammar
Language scale (Lang)
Expressive Communication (EC)
 Infant: non-verbal expressions
 Toddler: use words to identify pictures,
answer questions
 Preschool: more complex stimuli than
toddler
Motor Scale (Mot)
Fine Motor (FM)
 Infant: following with eyes, hand to mouth,
reaching or grasping
 Toddler: stacking blocks, drawing simple
shapes, place coins in slots
 Preschool: draw more complex shapes,
build simple structures, use scissors
Motor Scale
Gross Motor (GM)
 Infant: head control, rolling, sitting,
crawling
 Toddler: crawling, stepping, support own
weight, stand without assistance
 Preschool: climb stairs, run, maintain
balance, kick a ball
Social-Emotional (SE)
Caregivers give feedback
 Infant: interest, getting attention, calming,
responsiveness
 Toddler: means/ends behavior, imitation
play, imagination, word use
 Preschool: interactions with peers/adults,
describe feelings, use emotions
Adaptive Behavior
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Communication
Functional Pre-Academics
Self-Direction
Leisure
Social
Community use
Home living
Health and Safety
Self-Care
motor
Video of Bayley assessment
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