BTS Guide to Good Statistical Practice
BTS Guide to Good Statistical PracticeSeptember 2002
Table of Contents File Formats Entire Report PDF (192KB) ...General
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201
Research Project Number 2 Develop common criteria for reporting injuries and deaths
Research Project Number 2 Develop common criteria for reporting injuries and deathsThe problem: Transportation-related deaths and injuries are key measures of interest in the department's strategic plan. But the modes currently use up to eight different sets of definitions and...
Research Project Number 9 Explore options for using technology in data collection
Research Project Number 9 Explore options for using technology in data collectionThe problem: Much of our data collection for safety data continues to follow old patterns of paper reportingsometimes still on paper, and sometimes an automated facsimile of paper reporting. This is manually...
Research Project Number 6 Develop better data on accident precursors or leading indicators
Research Project Number 6 Develop better data on accident precursors or leading indicatorsThe problem: Accidents, deaths, and injuries are "lagging" indicators, in the sense that they tell us after things have already gone wrong. "Leading" indicators, on the other hand, might be useful in...
Overview
OverviewDeaths and injuries are a major cost in transportation. Transportation fatalities rank third as the cause of lost years of life in the U.S. (behind heart disease and cancer). Several travel modes have death counts whose impact exceeds that of AIDS. But the Department of...
Section 2 How The Transportation Sector Can Work Together to Improve Safety Data
Section 2 How The Transportation Sector Can Work Together to Improve Safety DataSustaining the momentum achieved during the modal workshops and national conference is key to furthering the objectives of Safety In Numbers and moving from discussion to action. Stakeholders have continually...
Research Project Number 10 Expand, improve and coordinate safety data analysis
Research Project Number 10 Expand, improve and coordinate safety data analysisThe problem: The purpose in collecting data is to enable analysis to help understand the causes and circumstances of transportation-related deaths and injuries, and then to help reduce deaths and injuries. But...
Research Project Number 8 Link safety data with other data
Research Project Number 8 Link safety data with other dataThe problem: The essence of data analysis is finding patterns and relationships. To the extent that our programs are guided by data analysis, people need easy access to a variety of data and the ability to link those data to reveal...
Research Project Number 4 Advance the timeliness of safety data
Research Project Number 4 Advance the timeliness of safety dataThe problem: Much of our safety data are reported only on an annual basis, and for most of our safety data there are reporting lags of up to several months after the accident or end of reporting period. When we reported safety...
Research Project Number 7 Expand the collection of "near-miss" data to all modes
Research Project Number 7 Expand the collection of "near-miss" data to all modesThe problem: Virtually all transportation accidents are preceded by a chain of events or circumstancesany one of which might have prevented the accident if it had gone another way. In a large number of cases,...