“…Studies on the impact of the alliance on self- or informant-reported antisocial/delinquent and externalizing behaviors yield a complex picture of results. For example, some studies found no alliance–outcome effect (Alkalay, 2006 ; Dauber, 2004 ), positive effects for youths’ perspectives of alliance but not therapists’ (Diamond et al, 2006 ; Handwerk et al, 2008 ), or an effect for specific measures, time points, or subgroups of youth (Florsheim et al, 2000 ; Glebova et al, 2018 ; Hogue et al, 2006 ; Mattos et al, 2017 ; Shelef et al, 2005 ).…”