A research team at the University of Waterloo has done extensive studies of the psychology of gambling including the manipulation of music and sound effects to create the sensation that a user won even though they actually lost their money on the spin.
“New York City Launches Sweeping Investigation Into Polymarket and Kalshi” | The Wall Street Journal
August 12, 2026
By Kevin T. Dugan, Katherine Long “The New York City Council is investigating four prediction markets for alleged deceptive marketing