“…However, significant expansion and replication of early psychosis services raise issues about how fidelity can be maintained (Bradach, ; Catts et al, ). Of particular concern is how existing and new clinical staff can be assisted to adapt clinical practice and implement early psychosis specific interventions (Paxton et al, ). Practitioner competence is essential to the successful implementation of any intervention or program (Bond, Evans, Salyers, Williams, & Kim, ; Waltz, Addis, Koerner, & Jacobson, ).…”