Psychometric evaluation demonstrates enhanced self-report item banks in pediatric populations, suggesting greater measurement flexibility for emotional health.
The present study expanded PROMIS pediatric item banks to add new content and to increase the range of measurement. Using item response theory, the banks were revised and expanded without changing the underlying scale of measurement. For Anger, Anxiety, and Depressive Symptoms, we successfully added new content that may render those banks more robust and flexible.
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Quinn et al. (2014) studied this question.