Naturalistic Driving Study: Technical Coordination and Quality Control (2014) / Chapter Skim
Currently Skimming:
Pages 70-78
The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.
From page 70... ...
70 C h a p t e r 6 human Subjects protections Data Sharing and Data Access One of the primary purposes of the SHRP 2 NDS was to collect data on contemporary drivers and vehicles that could be used by the next generation of transportation safety researchers in the same way that the Indiana Tri-Level study (Treat et al.
|
From page 71... ...
71 to these measures. Participant periods of study participation varied from as little as a single day to as long as 3 years.
|
From page 72... ...
72 ceased as of July 31, 2013, and vehicle deinstrumentation commenced in earnest in September 2013; some early deinstallations were accomplished in August of that year due to college students returning to school. The last vehicle was deinstalled on December 16, 2013.
|
From page 73... ...
73 Vehicle-related Outcomes Vehicles composing the SHRP 2 fleet were further classified according to a number of parameters, including vehicle type, network data classification, and manufacturer. Types The vehicle fleet sampled from among the following lightvehicle types: passenger cars, sport utility vehicles (SUV)
|
From page 74... ...
74 vehicle-years acquired by site and by sample cell, respectively, for the data collection phase of the project, commencing in October 2010 and concluding in November 2013. In each figure, 3,958 vehicle-years are distributed across sites or sample cells that include 3,247 primary participants (based on the criterion of 1 day of participation or more)
|
From page 75... ...
75 established to categorize tickets (Appendix U)
|
From page 76... ...
76 the data drive; regardless, on each visit to a vehicle, the solidstate drive was swapped to make most efficient use of the participant/vehicle/DAS contact. Other issues, such as installer laptop synchronizations and radio-frequency interference, all ranked at less than 1% each.
|
From page 77... ...
77 One analyst scored each drawing. A second analyst independently scored each one not determined to be in the "perfect" category, along with several other perfect drawings.
|
From page 78... ...
78 a possible cognitive deficit (with increasing numbers representing possibly increased levels of deficit)
|
Key Terms
This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More
information on Chapter Skim is available.