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Center on Human Development and Disability

CHDD is located on the Lake Washington Ship Canal

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Core Services




CTC - Behavioral Evaluation Center

child and adult in play session  researcher coding video with Mangold software  parent and child    

Sara Jane Webb
Sara Jane Webb
, Ph.D.


The BOL provides investigators with digital color video recording studios for observational research supported by a Noldus VISO system. Each room contains four small, unobtrusive digital remote-control AXIS M5525-E PTZ robotic color cameras and one ceiling microphone. A viewer computer in an adjacent room allows users to start/stop recordings and for control of the cameras pan-tilt-zoom functions. The Noldus VISO system captures feeds from the four cameras along with the audio file from the microphone and processes them into one synchronized file on the central server. Using the Noldus VISO annotation module, researchers can code files in real time or at a later time by accessing recorded sessions on the central server. Core staff provide consultation and training in the use of the Noldus VISO system to meet the unique needs of each study, allowing for high quality, archived digital video recordings that are easily accessible. The BEC also has an established testing facility onsite that integrates Eye Gaze Tracking (EGT; Smart Eye Pro 5.0 eye-tracking system (Smart Eye Inc., Sweden) and EEG technologies (Electrical Geodesics Inc. (Eugene, OR): EGI System 400).

The BEC also has a NOLDUS Ethovision System has been added as a resource available to CHDD affiliates. Integrated into the CHDD Clinic Building (Room 391) of the BOL is a ceiling mounted ETHOVISION camera for tracking movement through space over time. The software automatically tracks participants (by shirt color), providing x, y coordinates relative to the center of the room over time. The NOLDUS Ethovision System is a tool that allows for the direct translation of behaviors observed across species, movement through space over time. Historically, the NOLDUS system has served as a key measurement of rodent behaviors as is included in our Animal Behavior Core. The system at the CHDD Clinic Building allows for the tracking of human movement through space over time. The study of an individual’s movement relative to that of another person has implications for the study of social behavior, curiosity, and learning.

Behavioral Phenotyping

A critical service of the BEC component of the CTC consists of consultation and training on tests for behavioral phenotyping and outcome studies. Coordination of use of CHDD clinical and testing space for outcome studies is also part of this service. Consultations on test reliability, validity, feasibility, and any adaptations needed for individuals with IDD are provided. Resources of the BEC include materials and technical expertise in assessment in the domains of cognitive, achievement, and adaptive abilities; memory and language functioning; attention and executive functioning skills; motor development and visual perception; and mood and personality. Specific expertise in the gold standard diagnostic assessment tools for autism spectrum disorder (ASD) is also provided. This service provides consultation and support regarding the selection of behavioral and neurocognitive measurement tools as well as training and supervision of the administration of evaluative assessments. Supervision and support regarding the presentation of clinical findings and feedback to research participants, including written evaluation reports to be used for educational and treatment planning also is provided.

Cognitive Batteries

Wechsler Intelligence Scale for Children – Fifth Edition (WISC-V), Wechsler Abbreviated Scales of Intelligence – Second Edition (WASI-II), Wechsler Preschool and Primary Scale of Intelligence – Fourth Edition (WPPSI-IV), Wechsler Adult Intelligence Scale – Fourth Edition (WAIS-IV), Mullen Scales of Early Learning (Mullen), Differential Ability Scales—II (DAS-II), Stanford-Binet Intelligence Scales, Fifth Edition (SB-5), Raven’s Progressive Matrices (RPM), Leiter International Performance Scale, Third Edition (Leiter-3), Battelle Developmental Inventory 2nd Edition Normative Update (BDI-2 NU), Woodcock-Johnson IV Tests of Cognitive Abilities (WJ IV)

Adaptive Behavior Assessments

Vineland Adaptive Behavior Scales, Third Edition (Vineland-3), Adaptive Behavior Assessment Scale, Third Edition (ABAS-3)

Autism Related Diagnostic Measures and Tools

Autism Diagnostic Observation Schedule, Second Edition (ADOS-2), Autism Diagnostic Interview, Revised (ADI-R), Broader Phenotype Autism Symptom Scale (BPASS), Social Communication Questionnaire (SCQ), Social Responsiveness Scale, Second Edition (SRS-2), Repetitive Behavior Scale-Revised (RBS-R), Communication and Symbolic Behavior Scales (CSBS), Autism Observation Scale for Infants (AOSI), Autism-Spectrum Quotient (AQ), Broad Autism Phenotype Questionnaire (BAPQ), Early Social-Communication Scales (ESCS), Brief Infant-Toddler Social Emotional Assessment (BITSEA), Modified Checklist for Autism in Toddlers, Revised with Follow-Up (M-CHAT-R/F), Screening Tool for Autism in Toddlers and Young Children (STAT), Social Skills Rating System (SSRS)

Language Measures

Comprehensive Assessment of Spoken Language, Second Edition (CASL-2), Peabody Picture Vocabulary Test, Fourth Edition (PPVT-4), Expressive Vocabulary Test, Second Edition (EVT-2), Clinical Evaluation of Language Fundamentals – Fifth Edition (CELF-5), Oral and Written Language Scales, Second Edition (OWLS-II), Comprehensive Test of Phonological Processing, Second Edition (CTOPP-2), MacArthur-Bates Communicative Development Inventories (CDI), Children’s Communication Checklist—2 (CCC-2), Preschool Language Scales, Fifth Edition (PLS-5), LENA

Motor Assessments

Movement Assessment Battery for Children – Second Edition (Movement ABC-2), Purdue Pegboard Test, Alberta Infant Motor Scale (AIMS), Beery-Buktenica Developmental Test of Visual-Motor Integration, Sixth Edition (Beery VMI), Wide Range Assessment of Visual Motor Abilities (WRAVMA), Developmental Coordination Disorder Questionnaire (DCDQ), Grooved Pegboard Test

Executive Function and Memory Tests

NEPSY – Second Edition (NEPSY-II), Behavior Rating Inventory of Executive Functioning (BRIEF), Delis Kaplan Executive Function System (D-KEFS), Wide Range Assessment of Memory and Learning, Second Edition (WRAML2), California Verbal Learning Test – Second Edition (CVLT-II), Wechsler Memory Scale – Fourth Edition (WMS-IV), Children’s Memory Scale (CMS)

Behavioral and Psychiatric Functioning Measures

Child Behavior Checklist (CBCL), Behavior Assessment System for Children, Third Edition (BASC-3), Aberrant Behavior Checklist (ABC), Children’s Depression Inventory 2 (CDI 2), Beck Depression Inventory (BDI), Conners 3rd Edition (Conners 3), Diagnostic Interview Schedule for Children (DISC-IV), Child and Adolescent Symptom Inventory—5 (CASI-5), Play Assessment Scale (PAS), Revised Children’s Manifest Anxiety Scale, Second Edition (RCMAS-2), Yale-Brown Obsessive Compulsive Scale (Y-BOCS), Multidimensional Anxiety Scale for Children 2nd Edition (MASC 2), Beck Anxiety Inventory (BAI)

Achievement Tests

Wechsler Individual Achievement Test – Third Edition (WIAT-III), Woodcock-Johnson IV Tests of Achievement (WJ IV)


To Use Our Services

Investigators who are interested in consulting with the Behavioral Evaluation Center should:

Read about the equipment and services we provide, then

  • For information regarding Behavioral Testing Consulting Services and Patient Recruitment and Database Support, contact Sara Jane Webb, Director (, 206-685-7585).
  • For information on the BOL, see the BOL User Page.


University of Washington • Center on Human Development and Disability Box 357920 • Seattle WA 98195-7920 USA • 206-543-7701 •