The Patient-Reported Outcomes Measurement Information System (PROMIS) pediatric and parent-proxy short forms for anxiety: Psychometric properties in the Kids FACE FEARS sample.

There is tremendous need for brief and supported, non-commercial youth- and caregiver-report questionnaires of youth anxiety. The pediatric and parent proxy short forms of the Patient-Reported Outcomes Measurement Information System (PROMIS) Anxiety scale (8a v2.0) are free, brief, publicly accessible measures of youth- and caregiver-reported anxiety in children and adolescents.