Evidence rating scale

Good intentions for social policies, programmes, services and practices are not always enough. Decision-makers need quality evidence to know whether the programmes or services and they develop, invest in, or deliver are making a positive difference.


An evidence rating scale for New Zealand:
Understanding the effectiveness of interventions in the social sector (PDF, 661kB)

This scale for New Zealand provides a standard against which evidence for effectiveness of social sector policies, programmes, services or practices can be assessed.






A companion to the full evidence rating scale – the Quick Reference Guide captures the essential steps of assessing evidence and the effectiveness of programmes in an easy-to-view fold out publication.


Standards of evidence for understanding what works: International experiences and prospects for Aotearoa New Zealand

This In Focus examines a series of case studies of international and national standards of evidence for outcomes evaluations, as well as a possible future for New Zealand (this work informed the evidence rating scale). Providers, who are new to outcomes evaluation and like a little extra reading, will find value in this document.




Last update: 9 Oct 2017