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Table 1 Summary of research questions assessed in the WAVES study intervention process evaluation

From: Process evaluation design in a cluster randomised controlled childhood obesity prevention trial: the WAVES study

Research question Process evaluation dimensions Data source
Is the intervention being delivered in the way it was intended? Fidelity1 / Adherence2 Observations
Logbooks
Qualitative evaluation
Questionnaires
How much exposure are children and families getting to each intervention component? Reach1/ Dose delivered1 /Dose recieved1/Exposure2 Observations
Logbooks
Qualitative evaluation
Questionnaires
What methods are used for encouraging participation in intervention activities? Recruitment1 Observation
Qualitative evaluation
What quality of intervention is being received? Quality2 Observations
Logbooks
How well are children and families responding to, and engaging with, the intervention? Dose received1 / Participant responsiveness2 Observations
Logbooks
Qualitative evaluation
Are there intervention components which are more essential than others? Programme differentiation2 Observations
Logbooks
Qualitative evaluation
Questionnaires
Are there contextual and environmental factors which have the potential to influence delivery? Context1 Observations
Qualitative evaluation
Questionnaires
Research team reflection
  1. 1 Based on Process evaluation components outlined by Baranowski and Stables [8] & Linnan and Steckler [7].
  2. 2 Based on implementation fidelity components outlined by Dane and Schneider [11].