The Social Interaction Anxiety Scale (SIAS) and the Social Phobia Scale (SPS): a comparison of two short-form versions
Psychological Assessment (2014) - Comment
pubmed: 24978134  doi: 10.1037/a0037313  issn: 1939-134x  issn: 1040-3590 

Thomas A. Fergus, David P. Valentiner, Hyun-Soo Kim, Patrick B. McGrath