Funding for this research was provided by:
Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01HD078410, R01HD065272)
National Institute on Deafness and Other Communication Disorders (R21DC018128, R01DC007462)
Centers for Disease Control and Prevention (U01DD000304, 1U10DD000064)
Office of Special Education Programs, Office of Special Education and Rehabilitative Services (H325D120062)
Article History
Accepted: 13 February 2023
First Online: 12 May 2023
Declarations
:
: Amy Wetherby receives royalties from the Communication and Symbolic Behavior Scales but not from this study. Abigail Delehanty and Jessica L. Hooker have no conflicts of interest.