The article touches on a few questions concerning cognitive dissonance theory. This theory was first proposed by Leon Festinger in 1957. In very simple terms, cognitive dissonance tries to explain how the mind attempts to reconcile contradictory thoughts.
Tierney’s article is a fun meander into some possibly erroneous ideas that have come out of past experiments. Be sure to play the Monty Hall problem. I must have really bad luck, because even when I do like you’re supposed to to increase your chances of winning, I still lose.