An article based on a National Comorbidity Survey reported that 1 / 3 of people with lifetime social phobia suffered from glossophobia Another survey of a community sample from a Canadian city reported that of people who believed being anxious in one or several social situations 55 % feared speaking to a large audience, 25 % feared speaking to a small group of familiar people, 23 % feared dealing with authority, 14.5 % feared social gatherings, 14 % feared speaking to strangers, 7 % feared eating and 5 % feared writing in public.
12.
In 2005, Skip Rizzo of USC's Institute for Creative Technologies, with research funding from the Office of Naval Research ( ONR ), started validating a tool he created using assets from the game " Full Spectrum Warrior " for the treatment of posttraumatic stress disorder . " Virtual Iraq " was subsequently evaluated and improved under ONR funding and is supported by Virtually Better, Inc . They also support applications of VR-based therapy for aerophobia, acrophobia, glossophobia, and substance abuse . " Virtual Iraq " proved successful in normalization of over 70 % of PTSD sufferers, and that has now become a standard accepted treatment by the Anxiety and Depression Association of America.
