Deffenbacher Driving Anger Scale

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Deffenbacher Driving Anger Scale

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About Scale Name

Scale Name

Deffenbacher Driving Anger Scale

Author Details

James L. Deffenbacher, Eric R. Oetting, and Robert S. Lynch

Translation Availability

Not Sure

Deffenbacher Driving Anger Scale
Deffenbacher Driving Anger Scale

Background/Description

The Deffenbacher Driving Anger Scale (DAS) is a self-report measure of trait driving anger. It was developed by James L. Deffenbacher, Eric R. Oetting, and Robert S. Lynch in 1994. The DAS is a 33-item scale that measures how angry people get when they drive. The items are rated on a 5-point scale from 1 (not at all angry) to 5 (extremely angry).

The DAS has six subscales:

  • Hostile gestures: Anger in response to things like other drivers making obscene gestures or yelling at them.
  • Illegal driving: Anger in response to things like other drivers speeding or running stop signs.
  • Police presence: Anger in response to things like being close to police in traffic or receiving a traffic citation.
  • Slow driving: Anger in response to things like other drivers driving slowly or blocking the road.
  • Discourtesy: Anger in response to things like other drivers not using turn signals or cutting you off.
  • Traffic obstructions: Anger in response to things like construction zones, accidents, or roadwork.
  • The DAS has been shown to have good reliability and validity. It is a reliable measure of trait driving anger, and it has been shown to correlate with other measures of anger, such as the State-Trait Anger Expression Inventory (STAXI).

The DAS is a useful tool for assessing driving anger. It can be used to identify people who are at risk for aggressive driving behavior. It can also be used to track changes in driving anger over time.

The DAS is available in both long and short forms. The long form has 33 items, and the short form has 14 items. The short form is a reliable measure of driving anger, and it is a good option for people who are short on time.

Administration, Scoring and Interpretation

The Deffenbacher Driving Anger Scale (DAS) can be administered in a variety of settings, including research settings, clinical settings, and self-administration. The following are the steps involved in administering the DAS:

  • Read the instructions to the participant. The instructions should be read aloud in a clear and concise manner.
  • Ask the participant to rate each item on a 5-point scale. The scale ranges from 1 (not at all angry) to 5 (extremely angry).
  • Provide the participant with a quiet place to complete the DAS. The participant should not be interrupted while completing the DAS.
  • Score the DAS. The DAS can be scored manually or using a computer scoring program.
  • Interpret the DAS scores. The DAS scores can be interpreted using the scoring guidelines provided in the DAS manual.

Reliability and Validity

The DAS has been shown to have good reliability and validity. It is a reliable measure of trait driving anger, and it has been shown to correlate with other measures of anger, such as the State-Trait Anger Expression Inventory (STAXI).

Available Versions

33-Items
14-Items

Reference

Deffenbacher, J. L., Oetting, E. R., & Lynch, R. S. (1994). Development of a driving anger scale. Psychological Reports, 74(1), 83–91. https://doi.org/10.2466/pr0.1994.74.1.83

Important Link

Scale File:

Frequently Asked Questions

What is the Deffenbacher Driving Anger Scale (DAS)?
The Deffenbacher Driving Anger Scale (DAS) is a self-report measure of trait driving anger that measures how angry people get when they drive.

Who developed the DAS?
The DAS was developed by James L. Deffenbacher, Eric R. Oetting, and Robert S. Lynch in 1994.

How many items are there in the DAS?
The DAS has 33 items in its long form and 14 items in its short form.

What are the six subscales of the DAS?
The six subscales of the DAS are hostile gestures, illegal driving, police presence, slow driving, discourtesy, and traffic obstructions.

How is the DAS scored?
The DAS is scored on a 5-point scale ranging from 1 (not at all angry) to 5 (extremely angry).

What is the reliability and validity of the DAS?
The DAS has been shown to have good reliability and validity. It is a reliable measure of trait driving anger, and it has been shown to correlate with other measures of anger, such as the State-Trait Anger Expression Inventory (STAXI).

How can the DAS be used?
The DAS is a useful tool for assessing driving anger. It can be used to identify people who are at risk for aggressive driving behavior and to track changes in driving anger over time.

Is the DAS available in both long and short forms?
Yes, the DAS is available in both long and short forms.

How can the DAS be administered?
The DAS can be administered in a variety of settings, including research settings, clinical settings, and self-administration.

How can the DAS scores be interpreted?
The DAS scores can be interpreted using the scoring guidelines provided in the DAS manual.

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