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Fig. 3 | BMC Medical Research Methodology

Fig. 3

From: Advancing complexity science in healthcare research: the logic of logic models

Fig. 3

Example of a Type 2 logic model. Source: Davidoff et al., 2015 [23]. Some type 2 logic models account for complexity by moving to a higher degree of abstraction, listing intervention mechanisms instead of a precise list of intervention resources and activities (see Fig. 3) [23]. This allows for greater flexibility across settings but the linearity of these models will ensure they still fail to capture how complex interventions are formed by their interaction with context

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