Table II. Examples of specific anxiety questionnaires. An example of a frequently used clinician rating scale is the Liebowitz Social Anxiety Scale (LSAS; http://healthnet.umassmed.edu/mhealth/LiebowitzSocialAnxietyScale.pdf).^130,131 BDI, Beck Depression Inventory; DSM-IV, Diagnostic Statistical Manual of Mental Disorders IV; HAMRs, Hamilton Depression Rating Scale.

Instrument	Domains	Number of items	Recall period	Time to complete	Psychometric properties	Strengths	Weaknesses	Screening	Royalty free	Obtainable
<100 citations
Social Interaction Scale (SIAS) and Social Phobia Scale (SPS)88,124-126	Two companion measures for social phobia fears; fear of being scrutinized and fear of genaral social interaction.	20 items per scale	Current	10-25 min	High internal consistency and retest reliability, good convergent and discriminant validity, sensitive to change.	Easy to score.	Restricted to social phobia diagnosis only.	x	x	www.academia.edu/
Social Phobia INventory (SPIN)127,128	Main spectrum of social phobia such as fear, avoidance, and physiological symptoms.	17 items	During the past week	10-15 min	Good internal consistency, retest reliability, convergent and divergent validity, sensitive to change, cut-off scores available.	Mini-SPIN with only 3 questions available.	Restricted to social phobia diagnosis only.	x	x	http://psychology-tools.com/spin/
Social Anxiety Question (SAQ-A30)129	Social phobia/anxiety structured in five dimensions.	30 items	Current	15-20 min	Well-proven factor structure, good internal consistency, construct validity, cultural invariance, cut-off scores available.	Test developed based on several years of work by the research team in 18 Latin-american countries, Spain, and Portugal. Cross-culturally tested.	Restricted to social phobia diagnosis only.	x	x	www.midss.org/sites/default/files/saq-a30_english.pdf