I've never seen a questionaiire that asks if something specific is my favorite anything. It's always "What is your favorite author?" or whatever.
Seems to imply that this Kertezc guy is the favorite author of 97% of all ADHD diagnosed people. How odd.
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"Please keep your arms legs and valuables inside the vehicle at all times and get ready to experience the fury of: The Strong Badian Riverboat Superfun... ride."