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Are Effects of Travel Feedback Programs Correctly Assessed?
Department of Civil Engineering , Tokyo Institute of Technology , Japan.
Department of Psychology , University of Giessen , Germany.
Karlstad University, Faculty of Economic Sciences, Communication and IT, The Service and Market Oriented Transport Research Group.ORCID iD: 0000-0002-7475-680X
Department of Psychology , University of Gothenburg.
2009 (English)In: Transportmetrica, ISSN 1812-8602, Vol. 5, no 1, 43-57 p.Article in journal (Refereed) Published
Place, publisher, year, edition, pages
2009. Vol. 5, no 1, 43-57 p.
National Category
Psychology
Research subject
Psychology; Business Administration
Identifiers
URN: urn:nbn:se:kau:diva-10975DOI: 10.1080/18128600802591277OAI: oai:DiVA.org:kau-10975DiVA: diva2:494538
Note

It has been claimed that travel feedback programs (TFPs) are effective in reducing levels of car-use related congestion, noise, and air pollution. This article examines this claim, noting that many evaluation studies have employed less than optimal research designs. Demonstrating the use of meta-analysis, the results of 15 Japanese TFPs show that the effect sizes estimated for the frequently used research design lacking adequate control groups differ from the effect sizes estimated for research designs including adequate control groups. In addition, estimates of the homogeneity of treatment effects appear to differ, thus suggesting that inferences of causes of the effectiveness of a TFP vary with research design.

Available from: 2012-02-08 Created: 2012-02-08 Last updated: 2015-01-29Bibliographically approved

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