Janet Brockman, Director of the Cleft Palate/Craniofacial Center, Oregon Health and Science University (OHSU); Kameron Beaulieu, Associate Professor at OHSU; Dr. Kathi Hoffer, Earthspeak Master Trainer; and Dr. Pam Davison, Earthspeak Advisory Board, created a research protocol for obtaining multiple single-case studies using Corrective Babbling. A single-case study using the protocol also began in Los Angeles, California. Research such as this has been impossible to obtain internationally.
In October 2012, 19 pathologists from California, Oregon, and British Columbia attended a three-day training session in Eugene sponsored by University of Oregon, Center for Excellence for Developmental Disabilities, and OHSU Child Development and Rehabilitation Center. Attendees became authorized parent trainers and participants in the case study project.