A four-item Likert-type scale designed to measure with four, five-point items.
Deffenbacher, Jerry L., Rebekah S. Lynch, Eugene R. Oetting and Randall C. Swaim (2002), “The Driving Anger Expression Inventory: A Measure of How People Express Their Anger on the Road,” Behaviour Research and Therapy, 40 (6), 717–3.
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