Penn Medicine News highlights new study on Project ImPACT

Institute for Education Sciences (IES) funds a new study to examine Project ImPACT within the Philadelphia Infant Toddler Early Intervention program. Read more: Autism study could open new possibilities for parents, caregivers (

Studies find Project ImPACT can be used effectively with families of children with social communication delays in different countries

Several recent studies conducted in different countries have found Project ImPACT to be feasible and/or effective for children with social communication delays, including India, the Netherlands, Zambia, China, Spain, and Iran. Sengupta, K., Javeri, A., Mascarenhas, C., Khaparde, O., & Mahadik, S. (in press).  Feasibility and acceptability of a synchronous online parent-mediated early intervention for […]

Study finds similar child language outcomes and greater parent self-efficacy for families receiving Project ImPACT compared to clinician-delivered speech therapy

A recent study comparing clinician-delivered speech therapy to parent-mediated intervention using Project ImPACT with young children with developmental language disorder was published in the International Journal of Language and Communication Disorders by Margo Zwitserlood-Nijenhuis and colleagues. Zwitserlood‐Nijenhuis, M. A., Wiefferink, C. H., & Gerrits, E. (2023). A randomized study of parent‐versus child‐directed intervention for Dutch toddlers with DLD. International […]

Materials available to introduce families to Project ImPACT

We recommend sharing the video on the home page of this site and the parent handout with families to help introduce the program. The parent handout can be downloaded from the Frequently Asked Questions page, which can be accessed through the home page.

Project ImPACT forms now fillable for use in telehealth

Guilford Press will be making all of the reproducible forms on the companion website fillable PDFs to facilitate their use over telehealth. Copies of the fillable forms can be requested before they are available on the companion website by contacting us.

Spanish translation of Project ImPACT manuals now available

The Spanish translation of Project ImPACT parent and coach manuals, Comunicacion social para ninos con autism y otras dificultades del desarrollo ImPACT: Guia para familias and Guia para professionales are now available from Autismo Avila:   Please contact Cristina Leyva at to purchase the parent and/or coach manuals.    Check back with us for information on distribution in […]

Study finds Project ImPACT promotes communication in at-risk siblings

A pair of peer-reviewed articles on the efficacy of Project ImPACT with infant siblings at-risk for ASD was recently published in Autism by Paul Yoder, Wendy Stone, and Sarah Edmunds. Yoder, P., Stone, W., & Edmunds, S. (in press). Parent utilization of ImPACT intervention strategies is a mediator of proximal then distal social communication outcomes […]

Study finds telehealth coaching in Project ImPACT as effective as in person coaching

A recent study comparing telehealth coaching and in-person coaching in Project ImPACT was published in Journal of Autism and Developmental Disorders by Ying Hao and colleagues. Hao, Y., Franco, J. H., Sundarrajan, M., & Chen, Y. (2020). A pilot study comparing tele-therapy and in-person therapy: Perspectives from parent-mediated intervention for children with autism spectrum disorders. Journal […]