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. 

Request printed copies of studies and reports by mail at:

Departamento de Vehículos Motorizados
Research and Development Branch
2415 1st Ave. Mail Station: F-126
Sacramento, CA 95818
(916) 914-8125

Note Please include the report number, the number of copies requested, and your name, address, and phone number.

395 Results

Report ID Date Published Title Section Links
NRN044 1970/ 01

The Relationship of Perceptual Style of Drivers to Accident/Violation Experience

By: Patricia Isham

To explore the ability of the Stimulus Accretion Impending Hazard (SAIH) test to measure drivers' propensity for accident or violation involvement.

IV
NRN066 1969/ 12

Conviction Rate for a Sample of Citations Issued by the California Highway Patrol

By: California Department of Motor Vehicles

To gain information on the composition and disposition of citations issued by the California Highway Patrol for violations of California's road laws.

V
30.1 1969/ 08

An Abstract of Modifying Negligent Driving Behavior Through Warning Letters

By: Robin S. McBride & Raymond C. Peck

To 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 Letters

By: Robin S. McBride & Raymond C. Peck

To 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 Involvement

By: Richard M. Harano

To 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 Characteristics

By: Richard M. Harano & Raymond C. Peck

To 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 Characteristics

By: Richard M. Harano & Raymond C. Peck

To 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 Reprimand

By: Raymond C. Peck

To 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, 1967-1980

By: Peck, van Oldenbeck, Marsh, McBride, Harrington, Harano, & Wademan

To 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 Record

By: David M. Harrington

To examine 18 variables and reduce them to a smaller number of representative basic dimensions.

IV