there's a related effect that feeds into this, that is the subject of Robert Frost's poem "the road not taken": if we make a decision and things go well, we typ

there's a related effect that feeds into this, that is the subject of Robert Frost's poem "the road not taken": if we make a decision and things go well, we typically put the outcome down to our decision, regardless of whether it made a difference. So we get to thinking that our decisions really matter, even if they hardly do at all.