Social Phobia Diagnostic Questionnaire (SPDQ)
Self-report questionnaire with 25 items
Suitable for adults
English questionnaire
License fee: € 0,00 per completion
For whom is the Social Phobia Diagnostic Questionnaire intended?
This self-report questionnaire is suitable for adults.
What does the SPDQ measure?
The Social Phobia Diagnostic Questionnaire has been developed with the aim to screen for social phobia and differentiate social phobia from other anxiety disorders.
What does the SPDQ questionnaire consist of?
The 25 items of the SPDQ are used to calculate a total score for social phobia. The items are rated either in a yes or no format or a 5-point Likert scale. Additionally to fear, the SPDQ also measures avoidance in a range of social situations.
How does the SPDQ scoring work?
The SPDQ achieved very good values in the investigation of its psychometric properties. The internal consistency of the scale, as measured by Cronbach’s Alpha was 0.95 and the split-half reliability r = 0.90. A cut-off point of 7.38 has been chosen for an optimal balance between sensitivity (82%) and specificity (85%).
Source of the questionnaire
Newman, M. G., Kachin, K. E., Zuellig, A. R., Constantino, M. J., & Cashman-McGrath, L. (2003). The Social Phobia Diagnostic Questionnaire: Preliminary validation of a new self-report diagnostic measure of social phobia. Psychological Medicine, 33(04), 623-635.
© Newman, M. G.
