National accident sampling system sample design, phases 2 and 3 : executive summary

Edmonds, H. John; Hanson, Robert H.; Morganstein, David R.; Waksberg, Joseph; John A. Volpe National Transportation Systems Center (U.S.); Westat, Inc.

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National accident sampling system sample design, phases 2 and 3 : executive summary

1979-11-01
By Edmonds, H. John ; Hanson, Robert H. ; Morganstein, David R. ; ...

[PDF-442.12 KB]

English

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Creators:

Edmonds, H. John ; Hanson, Robert H. ; Morganstein, David R. ; Waksberg, Joseph

Edmonds, H. John ; Hanson, Robert H. ; Morganstein, David R. ; Waksberg, Joseph Less -
Corporate Creators:

John A. Volpe National Transportation Systems Center (U.S.) ; Westat, Inc.

John A. Volpe National Transportation Systems Center (U.S.) ; Westat, Inc. Less -
Subject/TRT Terms:

[+]

Controlled Probability Selection Crash Analysis Crash Investigation Multistage Design Probability Sample PSU's Stratification
Publication/ Report Number:

DOT-HS-805-273
Resource Type:

Tech Report
Edition:

Final report
Corporate Publisher:

United States. Department of Transportation. National Highway Traffic Safety Administration
Abstract:

This report describes the Phase 2 and 3 sample design for the

National Accident Sampling System (NASS). It recommends a procedure

for the first-stage selection of Primary Sampling Units (PSU's) and

the second-stage design for the selection of accidents for investigation.

Cost models are developed to estimate the operating characteristics

of the NASS. The design features extensive use of stratification

and clustering. Controlled probability selection is used to

insure geographic dispersion of the 75 recommended investigation

sites, including the initial 10 NASS pilot sites.
Format:

PDF
Funding:

DOT-HS-7-01706
Collection(s):

Volpe Center
Main Document Checksum:

[+]

urn:sha256:85fb5ddd13111cf7a63a22a0f30d6116854fa5d8eeb6e9a25a1e5852d315962d
Download URL:

https://rosap.ntl.bts.gov/view/dot/5817/dot_5817_DS1.pdf
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National accident sampling system sample design, phases 2 and 3 : executive summary

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