> Do these companies not recognize that moment of cognitive dissonance that surely -must- come when, as they're faced with "how do we determine if someone will

> Do these companies not recognize that moment of cognitive dissonance that surely -must- come when, as they're faced with "how do we determine if someone will be productive coming here" decide "I know; let's ask a bunch of questions we don't expect them to know! And then, let's provide a study guide so that they -can- cram before the test and come in and show they know it!" That's exactly how the top management consulting firms operate their recruiting process. McKinsey even has a webinar for how to prepare for their interview and exactly what category of questions will be asked. The webinar is run by current associates. Their recruiting works pretty darn well.