Detecting change in a caregiver-mediated autism intervention using the Joint Engagement Rating Inventory. - Dawood Z; Sebolai K; Ndlovu M; Viljoen M; Seris N; Shabalala N; De Vries PJ; Franz L; Harty M (The South African journal of communication disorders = Die Suid-Afrikaanse tydskrif vir Kommunikasieafwykings, 2025)