Title Page MEASUREMENT OF INTERVENTION FIDELITY WITHIN PAEDIATRIC REHABILITATION FOR CHILDREN WITH PHYSICAL DISABILITIES By

Measurement of intervention fidelity within paediatric rehabilitation for children with physical disabilities Intervention fidelity examines the degree to which an intervention is delivered as planned. Generic fidelity measures incorporate the active ingredients of more than one intervention and characteristics common to all interventions. Three studies were conducted to define the active ingredients of intervention for children with physical disabilities and generate a generic fidelity measure. These studies involved: (1) describing generic fidelity measures; (2) generating essential attributes of paediatric rehabilitation; and (3) differentiating between two interventions to consistently rate the behaviours of the therapist, child and parent. (1) In a narrative review of generic fidelity measures, five measures were identified within the psychotherapy literature. These measures presented a variety of approaches to examine fidelity, described psychometric property standards, and highlighted 37 non-specific intervention items that were relevant to paediatric rehabilitation