Home › Down Syndrome › NCT06512168

Measuring Aided Language Development

Who can join

42 Months – 60 Months · All sexes

Inclusion Criteria:

* Clinical Identification of Down Syndrome or Cerebral Palsy + Significant Speech Impairment
* Must Speak English as a Primary Language
* Must Be Able to Express At Least 25 Words (using any communication mode)
* Must Be Able to Accurately Select Picture Symbols on iPad Communication App with at Least 50% Accuracy
* Vision and Hearing within Functional Limits or Corrected to be within Functional Limits for Study Activities

Exclusion Criteria:

* Clinical Diagnosis of Autism or Social Communication Disorder
* Primary Language Spoken is A Language Other than English

About the study

The focus of the current study is to systematically investigate the psychometric properties of a range of aided language measures, which are based on the Graphic Symbol Utterance and Sentence Development Framework (Binger \& Kent-Walsh).

What is being tested

• AAC Generative Language Intervention (behavioral)

Sponsor: University of Central Florida · Participants: 60 · Started: Apr 1, 2025

Contact the study team

• Jennifer Kent-Walsh, PhD · Phone: 407-823-4800
• Cathy Binger, PhD · Phone: 505-277-4453

Official record on ClinicalTrials.gov — NCT06512168

Locations in the U.S.

Conditions

• Down Syndrome
• Cerebral Palsy
• Apraxias
• Speech Sound Disorder
• Speech and Language Problems in Children

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.