DF Consulting, LLC
Expertise in Human Performance and Impairment
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Operator drug– and alcohol-testing across modes.
Development of sobriety tests for the marine environment.
Validation of sobriety tests for the marine environment.
Assessing the feasibility of vehicle-based sensors to detect alcohol impairment.
Manual versus automatic sampling variations of a preliminary alcohol screening device.
The Long Beach/Ft. Lauderdale relative risk study.
Cognition, but not sensation, mediates age-related changes in the ability to monitor the environment.
Programs across the United States that aid motorists in the reporting of impaired drivers to law enforcement.
Simulator assessment of older driver proficiency.
Drinking and driving among high-risk young Mexican-American men.
The study of drug effects on driving.
Training effectiveness: How does driving simulator fidelity influence driver performance?
Simulator sickness results obtained during a novice driver training study.
Novice driver training: Results and experience with a PC based simulator.
Drinking and driving among Mexican American and non-Hispanic white males in Long Beach.
Evaluation of the Highway Safety Impact of Open Container Laws.
The observational threshold of horizontal gaze nystagmus.
A review of the literature on the effects of low doses of alcohol on driving-related skills.
Driver characteristics and impairment at various BACs.
Time-To-Collision: A sensitive measure of driver interaction with traffic.
Ethanol clearance rate as a function of age, gender, and drinking practice.
A laboratory study of passive alcohol sensors.
Fitness-For-Duty testing: Status, challenges and opportunities.