Randomised Controlled Trials, Evidence Hierarchies and Smarter Choices

Melia, S. (2015) Randomised Controlled Trials, Evidence Hierarchies and Smarter Choices. World Transport Policy & Practice, 21 (2). pp. 64-71. ISSN 1352-7614 Available from: http://eprints.uwe.ac.uk/27409


Publisher's URL: http://worldtransportjournal.com/wp-content/upload...


A growing body of literature aimed at policymakers as well as researchers criticises the quality of much transport research and advocates a methodological hierarchy with randomised controlled trials at the top as the solution. This article critically analyses the justification for such hierarchies, in the context of voluntary travel behaviour change programmes, whose effectiveness has been called into question. It proposes 5 criteria for the valid application of experimental methods, which suggest that such methods are only relevant to a limited range of transport research questions. It finds no valid justification for a methodological hierarchy and concludes that attempting to apply such a hierarchy would generate misleading advice for policy makers.

Item Type:Article
Uncontrolled Keywords:Randomised controlled trials; Voluntary travel behaviour change; Smarter choices; Modal shift; Methodological hierarchies.
Faculty/Department:Faculty of Environment and Technology > Department of Geography and Environmental Management
ID Code:27409
Deposited By: Dr S. Melia
Deposited On:06 Nov 2015 15:06
Last Modified:28 Mar 2017 05:19

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