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Table 1 Fidelity conceptual assessment strategy for Journeying through Dementia

From: Assessing fidelity of a community based psychosocial intervention for people with mild dementia within a large randomised controlled trial

Parameter

Standard

Fidelity criteria

Measure of criteria/assessment tool

Facilitator training

Standardised training

All facilitators and supervisors receive the same training delivered in a similar way.

• Two-day training delivered by the same trainer(s)

• Attendance registers for Two-day training

• Researcher Two-day training checklist

• Trainee Two-day training checklist

Facilitator skill acquisition

All facilitators understand and engage with the intervention training in a similar way.

• Completion of training exercises by facilitators

• Researcher training checklist

• Trainee training checklist

Intervention delivery

Standardised delivery

All facilitators using the same intervention content:

• The manual

• Individual sessions

• Goal setting

• Out of venue activities

• Use of manualised intervention (Observations)

• Facilitator – Group meeting checklist

• Facilitator – Individual session checklist

• Researcher - Group meeting checklist

Minimise drift in skills/ delivery

Compliance to training content and delivery within and across sites over time.

• Researcher - Group meeting checklist

• Record of provision of supervision

• Supervision checklist (Supervisors and Facilitators)

• Research supervision record

Receipt of intervention

Participant attendance and engagement

Numbers of participants attending the intervention.

All participants taking part in the group meetings and activities.

• Attendance at group in-venue sessions (Register)

• Attendance at Individual sessions (Register)

• Use of manualised intervention (Observations)

Comparable treatment

All participants receive the same intervention tailored to the needs of the group/ setting.

• Attendance at group in-venue sessions (Register)

• Attendance at Individual sessions (Register)

• Facilitator – Group meeting checklist

• Facilitator – Individual session checklist

• Researcher - Group meeting checklist

  1. Adapted from Bellg et al. (2004) [8]