Do people with hoarding disorder under-report their symptoms?

► The results of two studies evaluating insight in hoarding disorder were considered. ► Study 1 suggests that family members may over-report the severity of symptoms. ► Study 2 suggests that patients may under-report the severity of specific symptoms. ► Study 2 also suggests that patients may over-report their global symptom severity. ► The ratings of patients, family members and therapists should be evaluated jointly.