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REVIEW 0F STUDIES 0N SPEED LIMITS EFFECTS
EXPERIMENTAL DESIGN AND STATISTICAL ANALYSIS
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analysis analysis of variance Annex Automobile 0rganisation Baden Wurttemberg built-up areas canonical correlation change in speed changes in accidents comprehensive speed study control network control roads correlation Decrease desired confidence level detect differences driver behaviour effects of speed error variance estimate experimental network F test Finland implement the experiment indirect effects information campaign Libreria limited speed study limits outside built-up matched roads matching period matching procedure mean speed Member countries method Minimum sample number of accidents number of observations overtaking platoons police enforcement level pooled standard deviation possible recommended residual variance Road Research road safety road sections selected sets of matched significant speed limit policies speed measurements spot speed distribution standard deviation percentile statistical stratified sampling Study Week test programme total number Touring and Automobile Traffic Engineering traffic flow trial network type of road variability vehicle speeds Waterloo Road week in Traffic World Touring