• Introducing systematic reviews

    This is Chapter 1 of the book An Introduction to Systematic Reviews.
  • Learning from Research: Systematic Reviews for Informing Policy Decisions

    This guide from the Alliance for Useful Evidence is an introduction to systematic review and the necessary steps that should be considered as a part of the process.
  • Realist synthesis: an introduction

    This guide, written by Ray Pawson, Trisha Greenhalgh, Gill Harvey and Kieran Walshe for the ESRC Research Methods Programme, provides an introduction to using realist synthesis, with a focus on h
  • Methods for conducting systematic reviews

    This guide, from the EPPI-Centre, looks at the processes involved when conducting Systematic Reviews. Covering the key steps involved, the guide focuses on four main area from ap
  • Meta-analysis

    Meta-analysis is a statistical method for combining numeric evidence from experimental (and sometimes quasi-experimental studies) to produce a weighted average effect size.  
  • Analyzing cause and effect in environmental assessments: Using weighted evidence from the literature

    This article describes the Eco Evidence analysis framework, a type of causal criteria analysis that uses available evidence to assess support for a hypothesis.
  • Challenges for evidence-based environmental management: What is acceptable and sufficient evidence of causation?

    This paper explores the use of the Eco Evidence framework in answering the question "what is acceptable and sufficient evidence of causation?" in environmental assessments.