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“ The WPPSI-IV is no one’s kid brother or sister. This newest version stands tall alongside the WISC-IV and WAIS-IV in every way imaginable – technical excellence, clinical utility, innovativeness, theoretical basis, and societal relevance.”
“Bottom line: The WPPSI-IV is an amazing work of measurement for young children.”
-- Alan S. Kaufman and Nadeen L KaufmanYale Child Study, School of Medicine
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Slide 2 Introductory Webinar
Introductory Webinar: Understanding Developmental Strengths and NeedsDecember 2012
Presented by Amy Dilworth Gabel, Ph.D., NCSPDirector, Training and Professional DevelopmentPearson Clinical Assessment
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Slide 3 Agenda
• Revision Goals• Subtest Changes• Test Structure Information• Introduction to Interpretation • Questions
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Slide 4
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Standard Revision Goals
• Update theoretical foundations• Increase developmental
appropriateness• Enhance clinical utility• Improve psychometric properties• Increase user friendliness
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Slide 5 Special Group Studies
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Slide 6
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Subtest Changes from WPPSI-III• Dropped Word Reasoning & Picture Completion • Revised retained subtests
– New items include picture items on Similarities and Comprehension, and a new puzzle for Object Assembly
• Replaced Processing Speed subtests– Bug Search & Animal Coding – Added Cancellation
• New Working Memory subtests– Picture Memory– Zoo Locations
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Slide 7
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Subtest Modifications
Subtest New Administration Recording & Scoring
New Items
Vocabulary
Information
Similarities
Comprehension
Receptive Vocabulary
Picture Naming
Block Design
Object Assembly
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Subtest Modifications (continued)
Subtest New Administration Recording & Scoring
New Items
Matrix Reasoning
Picture Concepts
Bug Search
Animal Coding
Cancellation
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Similarities
“Show me the children who need help.”
Example: New Picture Items for Verbal Subtests
Comprehension
“Which one here is food like these?”
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Slide 10
Bug Search• Child friendly
adaptation of Symbol Search
• Child stamps the matching bug in each row for 120 seconds“When I find this bug over here, I stamp it, like this.”
New Processing Speed Subtests
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Slide 11
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Animal Coding• Child friendly
adaptation of the Coding paired-associates task
• Child stamps the shape that is associated with each animal for 120 seconds
“Stamp the shape that each animal likes best.”
New Processing Speed Subtests
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Slide 12
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New Processing Speed Subtests
Cancellation• Child friendly
version of WISC-IV task
• Child stamps articles of clothing for 45 seconds
• Random & Structured items
“Only stamp the things that people wear. Do not stamp
anything else.”
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Slide 13
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Working Memory: NEW in WPPSI-IV! • Why add Working Memory?
– Most highly rated customer request– Need for preschool working memory measures with
strong floors– Predicts academic achievement
(e.g., reading comprehension, math)– Related to other abilities (e.g., language comprehension,
attention, fluid reasoning)– Sensitive to clinical conditions (e.g., ADHD, TBI) – Provides information about developmental trajectories of
working memory components
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Slide 14 Working Memory: NEW in WPPSI-IV
• New Working Memory subtests– Picture Memory– Zoo Locations
• Appear to be more like traditional STM or recognition memory measures– But look a little more closely…
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Picture Memory• Child views stimulus pictures for 3 or 5 seconds• Child selects stimulus pictures from a larger group• Visual recognition task• Order of selection does not affect score
New Working Memory Subtests
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Slide 16 Working Memory Subtest
Zoo Locations
• Child views locations of animal cards for 3-5 seconds
• Child places animal cards in correct locations on layout
• Visual-spatial recall task• Number of possible layout
locations increases w/difficulty
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Slide 17 Test Structure (Younger Battery)
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Slide 18 Test Structure (Older Battery)
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Slide 19 Subtest Substitution
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Slide 20 When should I use substitution?
YES• Primary Reason =
Core subtest invalidated
• Temporary impairment in an area such as broken finger, etc.
NO• I like this subtest
better
• The child got a better score with this subtest
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Slide 21 Substitution Guidance
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Slide 22
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Slide 23 Substitution Guidance
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Slide 24 Summary of Substitution Rules• No substitution of subtests on 2-subtest composites
• Only substitute permitted subtests when calculating composite scores composed of 4+ subtests
• Only substitute if subtest is spoiled or there is a necessary clinical reason– Determined a priori
• For composites where substitution permitted only 1 is allowed
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Slide 25
BASIC INTERPRETATIONIntroduction to
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Slide 26 Age 4:7
Composite & Index/Subtest Scaled Score
Composite & Index/Subtest Scaled Score
Verbal Comprehension 132 Working Memory 97
Information 15 Picture Memory 10
Similarities 16 (Zoo Locations) 9
Visual Spatial 112 Processing Speed 91
Block Design 12 Bug Search 9
Object Assembly 12 (Cancellation) 8
Fluid Reasoning 114
Full Scale IQ = 117Matrix Reasoning 12
(Picture Concepts) 13
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Slide 31 Ancillary Indexes
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33 | Copyright © 2012. All rights reserved.
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Slide 34 Using GAI and CPI
Consider deriving and interpreting the GAI and the CPI in a number of clinical situations, not limited to, but including the following:
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Slide 35 Compare WMI and PSI to Other Indexes
• a significant and unusual discrepancy exists between the WMI and MIS or FSIQ,
• a significant and unusual discrepancy exists between the PSI and MIS or FSIQ,
• a significant and unusual discrepancy exists between the VCI and WMI,
• a significant and unusual discrepancy exists between the VCI and PSI,
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Slide 36 GAI and CPI
• a significant and unusual discrepancy exists between the VSI and WMI,
• a significant and unusual discrepancy exists between the VSI and PSI,
• a significant and unusual discrepancy exists between the FRI and WMI,
• a significant and unusual discrepancy exists between the FRI and PSI,
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Slide 37 GAI and CPI
• a significant and unusual discrepancy exists between the WMI and PSI,
• a significant and unusual discrepancy exists between subtests that contribute to either the WMI or to the PSI, or
• a significant and unusual discrepancy exists between a Working Memory or Processing Speed subtest and the MSS-I or MSS-F.
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Slide 38 Normal Curve
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Slide 39 To Summarize-
• Primary index scores can be conceptualized as representing various abilities that are clinically useful to assess because of their proven utility in various types of psychological evaluations, and their relations with clinical conditions and to neurodevelopment.
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Slide 40 To Summarize-
Performance can be used as a starting point in hypotheses generation about neuropsychological processing deficits, and can also be conceptualized and interpreted using a neuropsychological perspective (Hale & Fiorello, 2004; Miller & Maricle, 2012).
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Slide 41 WPPSI-IV Technical Information
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Slide 42
Total n = 1,700− n = 600 for ages 2:6-3:11− n = 1,100 for ages 4:0-7:7
WPPSI-IV Normative Sample
Nationally stratified sample− Age− Sex/Gender− Race/Ethnicity − Parent education level (5 levels) − Geographic Region (NE, S, MW, W)
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Slide 43 Stability Coefficients of Composite Scores2:6 – 7:7
Composite
First Testing Mean
Second Testing Mean
Correctedr
VCI 99.9 103.6 .89VSI 100.6 106.2 .86FRI 101.4 104.8 .88WMI 99.2 101.0 .87PSI 99.9 106.8 .84
FSIQ 100.4 105.0 .93VAI 99.8 102.6 .86NVI 101.2 105.6 .90GAI 100.4 105.2 .93CPI 99.1 103.8 .89
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Slide 44 Correlations Between WPPSI-IV and WPPSI-III
n = 248; ages 2:6-7:3
CompositeWPPSI-IV
MeanWPPSI-III
MeanCorrected
r12VCI-VIQ 100.9 103.4 .84VSI-PIQ 102.6 104.9 .71FRI-PIQ 102.1 105.4 .76
WMI 100.4 -- --PSI-PSQ 101.1 107.0 .65
FSIQ 101.7 15.0 .86VAI-GLC 101.7 104.6 .85
NVI 102.1 -- --GAI 101.9 -- --CPI 100.4 -- --
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Slide 45 Emergent Pre-Literacy Concerns
n = 37; ages 4:9-7:6
CompositeClinical Mean
Control Mean
MeanDiff. p value Std. Diff.
VCI 89.9 101.5 11.51 <.01 .90VSI 92.8 102.4 9.56 <.01 .97FRI 91.8 101.6 9.86 <.01 .81WMI 93.0 99.8 6.84 <.01 .59PSI 94.5 98.5 4.00 .09 .33
FSIQ 89.0 101.1 12.14 <.01 1.15VAI 93.7 101.8 8.08 <.01 .70NVI 89.9 101.1 11.19 <.01 1.09GAI 89.4 101.3 11.92 <.01 1.13CPI 92.3 98.8 6.54 <.01 .60
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Slide 46 English Language Learners
n = 33; ages 2:7-7:6
CompositeClinical Mean
Control Mean
MeanDiff. p value Std. Diff.
VCI 87.6 94.8 7.18 <0.01 .62VSI 102.8 97.8 -5.00 .10 -.35FRI 98.6 97.6 -1.00 .73 -.08WMI 98.7 99.5 .85 .74 .07PSI 104.0 100.6 -3.44 .23 -.27
FSIQ 95.2 96.8 1.64 .42 .14VAI 88.5 93.4 4.97 .05 .36NVI 100.6 98.2 -2.36 .35 -.20GAI 92.5 95.2 2.61 .18 .24CPI 102.4 100.9 -1.48 .55 -.12
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Slide 47 Intellectual Disability-Moderate Severity
n = 34; ages 2:6-7:6
CompositeClinical Mean
Control Mean
MeanDiff. p value Std. Diff.
VCI 53.8 100.0 46.27 <.01 4.14VSI 54.9 100.2 45.27 <.01 3.76FRI 56.9 97.4 40.44 <.01 3.09WMI 54.8 98.9 44.15 <.01 3.67PSI 53.3 96.7 43.48 <.01 3.43
FSIQ 50.0 99.6 49.53 <.01 4.00VAI 55.0 10.7 45.70 <.01 3.96NVI 51.8 98.6 46.79 <.01 3.65GAI 49.8 100.3 50.56 <.01 4.32CPI 47.6 96.9 49.3 <.01 4.32
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Slide 48 Best Practices in Assessment of Young Children
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Slide 49 FAQs
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Slide 50 FAQs
• Can I administer the WPPSI-IV to a bilingual child?
• Are all of the WPPSI-IV materials safe for use by young children?
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Slide 51 Basic Training Included with Kit!
• 24/7 online training
• Welcome email with access information
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Slide 52 Post-Publication Activities
• Out of level testing for older children taking the younger battery
• Out of level testing for younger children taking the older battery
• Extended norms for intellectually gifted children taking age-appropriate battery
• Using the WPPSI-IV with children who are deaf or hard of hearing
• WPPSI-IV Essentials book
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Slide 53 WPPSI-IV Informational Series
Other sessions available to view now!
1) Overview of the WPPSI-IV Revision Goals2) Developmentally Appropriate Features of
the WPPSI-IV3) Working Memory4) WPPSI-IV Factor Structure
www.PsychCorp.com/WPPSI-IV
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Slide 54 For Customers in the USA
For more information regarding WPPSI-IV availability and
pricing please call…
1-800-627-7271 (USA)Specific Webinar-Related Comments or Questions
Amy Dilworth Gabel, PhD, NCSPPearson Clinical Assessment
[email protected]
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Slide 55 For Customers in Canada
For more information regarding WPPSI-IV availability and
pricing please call…1-866-335-8418 (Canada)
or email…Customer Care Canada: [email protected]
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Slide 56 Thank you for attending!
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