Content of the questionnaire
Target audienceAdults
ApplicationThe Dental Anxiety Inventory (DAxI) is used to assess fear of dental treatments. It is available in its full form as well as its much more economical short version (Short Dental Anxiety Inventory; S-DAI).
CompositionThe 36 items of the full version of the DAxI as well as the 9 items of the short version S-DAI are rated on 5-point Likert scales.
Psychometric properties
Reliability & ValidityBoth, the short and the full version of the Dental Anxiety Inventory have proven discriminant validity by being sufficiently separate from other forms of anxiety and convergent validity by correlating with related measures. This also helped to establish the contruct validity of dental anxiety. The internal consistency of the S-DAI has been found to be 0.88 (Cronbach’s Alpha).
Literature and copyright

Stouthard, M. E., Hoogstraten, J., & Mellenbergh, G. J. (1995). A study on the convergent and discriminant validity of the Dental Anxiety Inventory. Behaviour research and therapy33(5), 589-595.

Aartman, I. H. (1998). Reliability and validity of the short version of the Dental Anxiety Inventory. Community dentistry and oral epidemiology26(5), 350-354.

© Stouthard, M. E. A.

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