Observational Before/After Studies in Road Safety 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024

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Hauer, Ezra 作者

Elsevier Science Ltd

译者

1997-6 出版日期

306 页数

$ 127.63 价格

HRD

丛书系列

9780080430539 图书编码

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Observational Before/After Studies in Road Safety 在线电子书 epub 下载 mobi 下载 pdf 下载 txt 下载 2024

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Observational Before/After Studies in Road Safety 在线电子书 pdf 下载 txt下载 epub 下载 mobi 在线电子书下载

Observational Before/After Studies in Road Safety 在线电子书图书描述

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.

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