Methodological quality of each article per measurement property and instrument according to COSMIN Checklist.

ADIS: Anxiety Disorders Interview Schedule. MASC: Manifest Anxiety Scale for Children. RCADS: Revised Child Anxiety and Depression Scale. RCMAS: Revised Child Manifest Anxiety Scale. SCARED: Screen for Child Anxiety and Related Emotional Disorders. SCAS: Spence Children's Anxiety Scale. SWQ: Social Worries Questionnaire. CGI: Clinical Global Impressions.Measurement Error was not evaluated in any article; Cross cultural validity was not included in the review..C = child self report; P = parent report. R = Revised.looked at particular subscale (Social Anxiety/Social Phobia); ** created continuous data by altering response format; *** looked at particular subscale (total score and lie); **** looked at particular subscale (OCD).α small sample; β no alpha for subscales.