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. 2023 Jun 21:4:26334895231179761.
doi: 10.1177/26334895231179761. eCollection 2023 Jan-Dec.

Mechanisms of change in external implementation support: A conceptual model and case examples to guide research and practice

William A Aldridge 2nd  1 , Rebecca H Roppolo  1 , Jacquie Brown  2 , Brian K Bumbarger  3 , Renée I Boothroyd  1
Affiliations

Mechanisms of change in external implementation support: A conceptual model and case examples to guide research and practice

William A Aldridge 2nd et al. Implement Res Pract. .

Abstract

Background: External implementation support (EIS) is a well-recognized feature of implementation science and practice, often under related terms such as technical assistance and implementation facilitation. Existing models of EIS have gaps related to addressing practice outcomes at both individual and organizational levels, connecting practice activities to intended outcomes, or grounding in well-established theories of behavior and organization change. Moreover, there have been calls to clarify the mechanisms of change through which EIS influences related outcomes.

Method: In this article, we theorize about mechanisms of change within EIS. Our theorizing process aligns with the approach advocated by Kislov et al. We aim to consolidate prior EIS literature, combining related constructs from previous empirical and conceptual work while drawing on our extensive EIS experience to develop a higher-order, midrange theory of change.

Results: Our theory of change is empirically and practically informed, conceptually situated within an established grand theory of change, and guided by eight practice principles and social cognitive theory. The theory of change proposes 10 core practice components as mechanisms of change within EIS. When used according to underlying theory and principles, they are believed to contribute to favorable practice outcomes at individual, team, organizational, and system levels. The model offers flexibility by recognizing the need for sequential support processes and the demand to practice in dynamic and responsive ways. Case examples are presented to illustrate major themes and patterns of the model in action.

Conclusions: The proposed model is intended to support prospective EIS studies by conceptualizing discernable practice components with hypothesized relationships to proximal and distal practice outcomes. The model can be behaviorally operationalized to compliment and extend competency-based approaches to implementation support practitioner (ISP) training and coaching. Over time, the model should be refined based on new empirical findings and contributions from ISPs across the field.

Keywords: facilitation; implementation mechanisms; implementation practice; implementation support practitioner; intermediaries; technical assistance.

Plain language summary

There are few models that help us understand how external support providers work with organizational, system, and community partners to improve their efforts to implement innovative programs and practices. Existing models typically describe characteristics and features of the process but lack grounding in well-established theories of behavior and organizational change. In this paper, we theorize about mechanisms of change within the support process, which we label core practice components, and explain how their use might improve implementation efforts through shorter- and longer-term practice outcomes. We believe that our model holds promise for informing future advancements in both research and practice. Foremost, the core practice components lend themselves to behavioral definitions and thus being observed and reported in action. In research, this will allow the relationships we propose in our model to be tested and refined over time, resulting in an incremental accumulation of knowledge. In practice, a greater understanding of core practice components and their relationships to key practice outcomes offers ways to enhance training and coaching activities for external support providers. The model may also aid support providers to more effectively navigate the support process and plan more timely and effective support strategies.

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Conflict of interest statement

The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Figures

Figure 1
Figure 1
Integrated Theory of Change for the Successful, Sustainable Scale-Up of Evidence-Based Interventions
Figure 2
Figure 2
Conceptual Model of External Implementation Support Practice Outcomes
Figure 3
Figure 3
Proposed External Implementation Support Theory of Change
Figure 4
Figure 4
Thematic Grouping of Core Practice Components
See this image and copyright information in PMC

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