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Chapter 3.4 - Constructing Evidence-Role Maps

from Part 3 - Case Study of the Implementation of Signs of Safety in M, a UK Agency Providing a Child Protection Service

Published online by Cambridge University Press:  30 April 2026

Nancy Cartwright
Affiliation:
University of Durham
Eileen Munro
Affiliation:
London School of Economics and Political Science
John Pemberton
Affiliation:
London School of Economics and Political Science
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Summary

We offer evidence-role maps detailing the relations between available data and the claims made by the theory of change we have developed for the L pathway. Using these maps, we then evaluate warrant for the causal claim made by each of the steps in the L pathway, establishing what we take to be a strong warrant for each of them and hence our overall account of this pathway and the singular causal claim that the introduction of collaborative case audits contributed to Signs of Safety implementation in M. In doing so, we illustrate our method for establishing warrant for such causal claims.

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