I haven’t watched a Red Sox game for over a month now; more on that soon. I do check on the game results however, and observed with interest that Red Sox manager Bobby Valentine, currently being dressed for the guillotine by New England sportswriters who want him punished for a miserable season in which his own work has been outstanding, is being criticized today in a textbook example of hindsight bias at work. I am flagging it for any of you who might want to explain the phenomenon to the next jerk who criticizes you for a reasonable choice you made not knowing how it would turn out, based on the jerk’s knowledge of how it in fact did turn out.
My least favorite personal run-in with hindsight bias was the time I lost a poker hand—and a lot of money– in Vegas despite having four of a kind in a game of seven card stud. The old man sitting next to me looking pathetic also had four of a kind, and in a higher denomination, the odds of two four of a kind hands appearing in the same deal in a non-wild card game being approximately six-gazillion to one. Naturally, I was betting the limit until the old man called my hand—he said later that he felt sorry for me. When he revealed that he had my four sevens beat with his four %$#@%$*& tens, it caused a genuine uproar in the casino, and the dealer said that he had never seen the like in eight years on the job.
“You should have known he had you beat,” said the ass sitting on my right. That’s hindsight bias. And so is this. Continue reading









