Transcript BBTOP

BBTOP
Bankson-Bernthal Test of
Phonology
Description
• Developed in 1989
• Authors:
– Nicholas W. Bankson
– John E. Bernthal
• Designed to serve as a quick and easy method for
assessment of phonology in preschool and school-age
children
• Organized into three sections:
– Consonant Inventory
– Phonological Process Inventory
– Word Inventory
Assessment Goals
• To assess the number of words produced
without any consonant misarticulations
• To assess the number of sounds
(consonants and consonant clusters) in
error.
• To assess the number of errors reflecting
one or more of the 10 most frequently
occurring phonological processes.
Age Population
• Designed primarily for preschool and early
elementary school children
– up to grade level 3
• May be given to older children with severe
phonologic/articulation problems
• Screening version QSP may be used for a
more brief assessment when needed
– Quick screen of Phonology (QSP)
– Based on 28 of the original 80 test items.
Test Materials
• Picture book:
– 80 simple, colorful pictures for target ages
• Record form:
– Organized into sections for easy recording
• Examiner’s Manual
– Provides source for norm tables for scoring
Consonant Inventory
• Includes most English consonants
in the initial and final positions
• Assesses vocalic ‘er’ (stressed and
unstressed)
• Selected consonants clusters
Phonological Process Inventory
• Provides a system for reviewing child’s
phonologic production for the presence of 10 most
frequently occurring phonological processes:
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Assimilation
Fronting
Final consonant deletion
Weak syllable deletion
Stopping
Gliding
Cluster simplification
Depalatilization
Deaffrication
Vocalization
Word Inventory
• Provides a short, reliable
measure of overall
phonological performance
Test Administration
• Administration time: Approximately 10-15
minutes.
• Begin with casual conversation to ease child
into comfort zone.
• Instruct child to name or describe each
picture that you show them from the picture
book.
• Clinician prompts are provided in Appendix
F of the examiner’s manual.
Recording Responses
• Mark 1 in the box on response form for item in
the column under “Word Correct” if response
is articulated correctly.
• Mark incorrect articulations with a 0 and then
phonetically transcribe the response.
• Responses other than the target word should be
followed with a clinician prompt (Appendix
F), then treated as correct/incorrect. Mark
Modeled on the record form.
Scoring Word Inventory
• Calculate chronological age
• Sum all words without misarticulations
(raw score) and put in appropriate box on
the record form
• Refer to Appendix B to locate percentile
rank and standard score based on the raw
score.
Scoring Consonant Inventory
• Turn to page 3 of the record form
• Locate each consonant in it’s specified row
• Mark only those consonants in error by circling I
(initial) or F (final)
• For each consonant, count the number of times I and F
were circled in its column
• OR you may use the developmental scale scoring
method:
– ranges from 0-4
– 0= No difficulty with sound
– 4= Strong evidence of difficulty with sound
Scoring Phonologic Process Inventory
• Form has 10 columns, representing the 10 phonological
processes tested
• Each word on the test is listed in each column
• Examples of each phonological process are provided in each
column
• Circle the word in each column that each specific
phonological process occurs
• Total the number of times each process is identified in each
column
• Add totals to get raw score
• Refer to Appendix D in examiner’s manual to convert to
%tile score and standard score.
Test Standardization
• The BBTOP is standardized based on a
sample size of 1070 subjects
• Ages 3-9 years
• 61 sites across the United States
• Standardization based on quantifying a
child’s phonological performance
Test Norms
• Examiner’s manual provides norm tables
for 3 sections of the test
• Based on a Mean of 100 and Standard
Deviation of 15
• Norms based on 3 month age intervals
from 3-0 to 6-11 and 6 month intervals
from 7-0 to 9-11
Pros and Cons
• Pros:
• Cons:
• Quick and Easy
• Used as a formal test
or as a screening
device
• Colorful pictures
• Well-organized record
form
• Can be confusing to
new examiners
• Older test (1989)
Thank You for Your Time
and Attention!!!!
Dr. Frank Kersting
Western Kentucky University