The nature of bias in official accident and violation records.

Since many studies in accident research derive criteria from official records, the existence of systematic biases in these files could have profound implications. A comparison of the driving records and interview responses of 2,797 people demonstrate that accident and citation frequency are grossly underrecorded and that biases exist by sex, age, occupation, and race. (PsycINFO Database Record (c) 2010 APA, all rights reserved)