Jerry Harvey's father-in-law floated the drive to Abilene, and the family went. The cafeteria was bad, the car had no air conditioning, and the round trip burned an afternoon in a Texas July. Back on the porch, someone finally admitted they had not wanted to go, and one by one the others said the same, including the man who proposed it, who had only suggested it because the afternoon seemed to be dragging. Four people had taken an action that not one of them wanted, and each had argued out loud in favor of it. Harvey published the story in 1974 under a title that names the real problem: the management of agreement.

The mechanism is not groupthink, which is pressure toward a shared conviction. Nobody in that car was convinced of anything. Each person read the others' compliance as preference, kept a private objection private rather than be the one who spoiled a plan everyone appeared to want, and by voicing agreement supplied the very evidence that persuaded the next person. Psychologists call the underlying condition pluralistic ignorance: a room in which most people privately reject a position they each believe the majority holds. The agreement is real in that every word of it was spoken, and fictional in that it represents nobody.

Harvey's argument for leaders is that organizations fail more often from mismanaged agreement than from mismanaged conflict, and only the second failure leaves evidence. A meeting with an argument in it produces a dissent to answer and a decision to justify. A meeting where a bad plan passes unanimously in nine minutes produces nothing at all, and it reads as alignment in the notes. The tell is not the absence of objection; it is speed paired with relief, a room that empties fast and a decision nobody mentions again. Once the trip is underway the dynamic reverses into blame, and everyone who agreed privately believes they were dragged.