“…This is important because greater language ability facilitates more meaningful social interaction and increased adaptive functioning [Anderson et al, ; Kasari et al, ; Luyster, Kadlec, Carter, & Tager‐Flusberg, ; McDuffie, Yoder, & Stone, ]. Among older children with ASD (i.e., over 3 years), there is a consistent relation between PVR and child communication [Flippin & Watson, ; Fusaroli, Weed, Fein, & Naigles, ; Siller & Sigman, , ; Walton & Ingersoll, ]. For example, Siller and Sigman [, ] found that parents' follow‐in commenting was the best predictor of long‐term language for children with ASD ages 3–5 years, controlling for cognitive abilities, joint attention, and initial levels of language.…”