Observational before--after studies in road safety : estimating the effect of highway and traffic engineering measures on road safety / by Ezra Hauer.
Material type: TextPublication details: Oxford ; Boston : Pergamon, 1997.Edition: 1st edDescription: 1 online resource (xiv, 289 pages) : illustrationsContent type:- text
- computer
- online resource
- 0585474249
- 9780585474243
- 363.12/5 22
- HE5623 .H387 1997eb
- 55.06
- digitized 2010 HathiTrust Digital Library committed to preserve
Item type | Home library | Collection | Call number | Materials specified | Status | Date due | Barcode | |
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Electronic-Books | OPJGU Sonepat- Campus | E-Books EBSCO | Available |
Includes bibliographical references (pages 275-281) and index.
1. Introduction -- 2. What is the question? -- 3. Defining safety -- 4. Counting accidents -- 5. Prediction and estimation -- 6. Basic building blocks -- 7. The Naive Before-After study -- 8. Improving prediction I: Factors measured and understood -- 9. Improving prediction II: Using a comparison group -- 10. The variability of treatment effect -- 11. Back to the starting point: The Empirical Bayes approach -- 12. A more coherent approach? -- 13. Closure.
This three part monograph aims to enable road safety researchers and professionals to interpret correctly the results of one of the main sources of knowledge about the effect of road safety engineering measures, the'observational Before-After study'. Part I, Essentials - contains information the author regards as essential for forming an opinion of results obtained by others, and for planning and analysing such a study. This is written to be accessible to all. Part II, Adaptations of conventional approaches - explains how to avoid the errors and improve the results obtained from the predominant methods currently used. This Part employs algebra and statistical analysis. Part III, Elements of a new approach - presents new approaches to improve future methods of observation and analysis.--Provided by publisher.
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English.
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