We can be unconsciously influenced by “salience forcing” making something subtly stand out in out attention (in this case by showing one card for slightly longer).
— Ethan Mollick (@emollick) July 31, 2022
When this trick was conducted in-person by magicians, it worked 98% of the time, and only 9% of people noticed! 2/2 pic.twitter.com/klXrydImSC