Scale Overview
The Social Phobia Scale – SPS was developed by Richard P. Mattick & J. Christopher Clarke (1998). It is designed to measure Social Phobia (Scrutiny Fear). The scale is intended for use with Adults.
Scale Structure
This instrument consists of 20 items.
Response Format
Respondents rate each item using a custom response format.
Response anchors: 0 = Not at all, 1 = Slightly, 2 = Moderately, 3 = Very, 4 = Extremely.
Scoring
Items are summed to produce a total score.
Total scores range from 0 to 80. Interpretation guidelines:
- Typical Community Range: 0 – 23
- Clinical Range (Typical of Social Phobia): 24 – 80
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of High internal consistency.
Administration
The scale is self-administered and typically takes approximately 5 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.