Process evaluation definitions Flashcards
Outcome evaluation
Does it work?
- efficacy vs effectiveness
- observed differences and validity (power crucial)
How well does it work?
- effect size and clinical relevance
Process evaluation
How does it work?
-mechanism and techniques
For whom does it work and in what setting?
- e.g. group and setting-
mechanisms and techniques
mediators
Group and setting
moderators
economic evaluation
how much does it cost- is it cost effective
Complex intervention
an intervention comprising multiple components which interact to produce change.
Complexity may also relate to the difficulty of behaviours targeted by interventions, the number of organisation levels targeted, or the range of outcomes
implementation
the process through which interventions are delivered, and what is delivered in practice
fidelity
to what extent was the intervention delivered as had been intended by the researchers
dose
how much intervention is delivered
reach
the extent to which a target audience comes into contact with the intervention
intensity
contact time in each session
duration
number of sessions and overall period of intervention
what is a theory
a system of interrelated prepositions that should enable phenomena to be described, explained, predicted and controlled
implementation theory
how an intervention is delivered
theory of change
how the intervention brings about change in target population
