Speech 3 now includes complex-language exercises, such as “Take the cow to the elephant,” “Take the bunny to the school,” and so on. In a 3-year clinical study of 6,454 children with autism, children who engaged with similar exercises showed 2.2-fold greater language improvement than children with similar initial evaluations. The peer-reviewed manuscript describing the study has been published in the journal Healthcare: https://www.mdpi.com/2227-9032/8/4/566.