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Evidence-Based PolicyA Practical Guide to Doing It Better$
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Nancy Cartwright and Jeremy Hardie

Print publication date: 2012

Print ISBN-13: 9780199841608

Published to Oxford Scholarship Online: February 2015

DOI: 10.1093/acprof:osobl/9780199841608.001.0001

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Where We Are and Where We Are Going

Where We Are and Where We Are Going

(p.157) Chapter V.A Where We Are and Where We Are Going
Evidence-Based Policy

Nancy Cartwright

Jeremy Hardie

Oxford University Press

This chapter provides an overview of Part V of this volume. The task of evidence-based policy and practice is to identify what evidence is needed to make good judgments about effectiveness. The current orthodoxy says that the best evidence is provided by randomized controlled trials (RCTs) and that other kinds of evidence are second best. This orthodoxy is set out in the evidence schemes, which provide rules for classifying the available evidence. Part V shows how the orthodoxy discourages decision makers from thinking about their problems, because the aim of rules is to reduce or eliminate the use of discretion and judgment, and deliberation requires discretion and judgment. It also describes what kind of people decision makers have to be if they are to deliberate well.

Keywords:   evidence-based policy, randomized controlled trials, evidence schemes, judgment

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