Research Studies & Reports
DMV’s Research & Development Branch has been conducting research and producing studies and reports since the 1950s. Research & Development reports help DMV to measure the impact of new laws on making drivers safer. We also identify areas where we can improve our processes, explore new approaches to solving existing problems, and branch out into new opportunities to serve you better.
Studies & Reports Sections
Studies and reports are assigned to a Section that best describes the type of report. Click on a section title below to see a short description.
I. Driver Education & Training Studies
II. Driver Licensing Screening Studies
III. Studies on Improvement and Control of Deviant Drivers
IV. Basic Research & Methodological Studies: Driver Performance, Accident Etiology, Prediction Models, and Actuarial Applications
V. Driver Licensing / Control Systems & Safety Management Studies
VI. Studies on Special Driver Populations
VII. Miscellaneous Studies & Reports
Request printed copies of studies and reports by mail at:
Department of Motor Vehicles
Research and Development Branch
2415 1st Ave. Mail Station: F-126
Sacramento, CA 95818
(916) 914-8125
Please include the report number, the number of copies requested, and your name, address, and phone number.
| Report ID | Date Published | Title | Section | Links |
|---|---|---|---|---|
| 30.1 | 1969/ 08 |
An Abstract of Modifying Negligent Driving Behavior Through Warning LettersTo investigate the relative impact of various types of warning letters on the subsequent driving record of negligent drivers. Levels of threat and intimacy were manipulated. |
III | |
| 30 | 1969/ 08 |
Modifying Negligent Driving Behavior Through Warning LettersTo investigate the relative impact of various types of warning letters on the subsequent driving record of negligent drivers. Levels of threat and intimacy were manipulated. |
III | |
| NRN043 | 1969/ 01 |
The Relationship Between Field Dependence and Motor Vehicle Accident InvolvementTo determine if any relationship exists between motor vehicle accidents and a perceptual response style referred to as field dependence (measured on response to figure / ground stimuli). |
IV | |
| 28.1 | 1968/ 07 |
An Abstract of the California Motorcycle Study – Driver and Accident CharacteristicsTo evaluate the extent of the motorcycle problem and pinpoint possible problem areas which could be explored by future research. |
IV | |
| 28 | 1968/ 07 |
The California Motorcycle Study – Driver and Accident CharacteristicsTo evaluate the extent of the motorcycle problem and pinpoint possible problem areas which could be explored by future research. |
IV | |
| NRN042 | 1968/ 07 |
The Prediction of Driver Behavior Subsequent to Receipt of Official Letters of ReprimandTo isolate factors that predict the quality of a driver's record following receipt of various styles of warning letters. |
IV | |
| 27 | 1968/ 04 |
Projected Motor Vehicle and Trailer Registration by County, 1967-1980To prepare a set of estimated vehicle registrations to 1980, by county, for each of the four classes of vehicles --passenger vehicles, commercial vehicles, motorcycles, and trailers. |
VII | |
| NRN040 | 1968/ 01 |
Factor Analysis of Driver RecordTo examine 18 variables and reduce them to a smaller number of representative basic dimensions. |
IV | |
| NRN041 | 1968/ 01 |
Driver Questionnaire Response Rate and Response Bias as a Function of Contact StrategyTo determine the optimum procedure for mailing questionnaires to drivers. |
IV | |
| 20 | 1967/ 07 |
An Administrative Abstract of the 1964 California Driver Record StudyThe purpose of this abstract is to provide the administrator with a convenient access to the more important findings of the study, written in relatively non-technical language. |
IV |