Benefits of realist evaluation for rapidly changing health service delivery

Justin Jagosh*, Hannah Stott, Serena Halls, Rachel Thomas, Cathy Liddiard, Margaret Cupples, Fiona Cramp, Paula Kersten, Dave Foster, Nicola E. Walsh

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

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Abstract

Realist evaluation is a methodology that addresses the questions: ‘what works, for whom, in which circumstances, and how?’. In this approach, programme theories are developed and tested against available evidence. However, when complex interventions are implemented in rapidly changing environments, there are many unpredictable forces that determine the programme’s scope and architecture, as well as resultant outcome. These forces can be theorised, in real time, and included in realist evaluation outputs for current and future optimisation of programmes. Reflecting on a realist evaluation of first-contact physiotherapy in primary care (the FRONTIER Study), five important considerations are described for improving the quality of realist evaluation outputs when studying rapidly changing health service delivery. These are: (1) ensuring that initial programme theories are developed through creative thinking sessions, empirical and non-empirical literature, and stakeholder consultation; (2) testing the causal impact of formal and informal (eg, emergent) components of service delivery models; (3) contrasting initial programme theories with rival theory statements; (4) envisioning broad system impacts beyond the immediate implementation setting; and (5) incorporating rapidly evolving service developments and context changes into the theory testing process in real-time (eg, Additional Role Reimbursement Scheme, COVID-19). Through the reflections presented, the aim is to clarify the benefit of realist evaluation to assess emerging models of care and rapidly changing health service delivery.

Original languageEnglish
Article numbere060347
JournalBMJ Open
Volume12
Issue number7
DOIs
Publication statusPublished - 27 Jul 2022

Keywords

  • General practice / Family practice
  • 1506
  • COVID-19
  • EDUCATION & TRAINING (see Medical Education & Training)
  • PRIMARY CARE

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