Deffenbacher Driving Anger Scale – Short form

Deffenbacher Driving Anger Scale (Deffenbacher‚ Oetting & Lynch‚ 1994) – Short form

Instructions: Imagine that each situation described below was actually happening to you and rate the amount of anger that would be provoked.
     none at all           a little               some               much            very much
          1                        2                      3                      4                      5
Someone is weaving in and out of traffic.
A slow vehicle on a mountain road will not pull over and let people by.
Someone backs right out in front of you without looking.
Someone runs a red light or stop sign.
You pass a radar speed trap.
Someone speeds up when your try to pass him/her.
Someone is slow in parking and is holding up traffic.
You are stuck in a traffic jam.
Someone makes an obscene gesture toward you about your driving.
Someone honks at you about your driving.
A bicyclist is riding in the middle of the lane and is slowing traffic.
A police officer pulls you over.
A truck kicks up sand or gravel on the car you are driving.
You are driving behind a large truck and you cannot see around it.
Scoring: Sum the ratings for the 14 items.
Researchers may use this scale for research purposes only without further permission from the author. Scientists using the scale are responsible for assuring that the research meets American Psychological Association standards for human research. The scale may not be used for employment se‎lection or included as part of materials that are sold without specific written permission of the author.

Deffenbacher‚ J.L.‚ Oetting‚ E.R.‚ & Lynch‚ R.S. (1994). Development of a Driving Anger Scale. Psychological Reports‚ 74‚ 83-91.

Ronald Okada
Professor of Psychology
Department of Psychology
Faculty of Health
York University
Toronto‚ Ontario
Canada M3J 1P