“…However, in the previous study [Estes et al, 2014], therapists spent less than 10 min while parents spent 30-40 min directly interacting with the child in each 1-hr session, because they emphasized the collaborative coaching process and parental learning within the sessions. We thought that more modeling from therapists to parents would improve parent's mastery of techniques, but neglected the possible stress-reducing effects of collaborating and guided intervention practice, which have been reported in several earlier studies [Brookman-Frazee, 2004;Gray, Msall, & Msall, 2008;Moh & Magiati, 2012;Warfield, Chiri, Leutz, & Timberlake, 2014;Russa, Matthews, & Owen-DeSchryver, 2015].…”