John Sullivan covers the concept of quality of hire (QoH)—why it’s important, when and how to measure it, common mistakes companies make, and other questions.
The “wisdom of the crowd” effect is the finding that the average estimate of a group can be more accurate than the estimate of an expert. This study discovered that even mild social influence can undermine the wisdom of the crowd effect in simple estimation tasks.
Jan Lorenz, Heiko Rauhut, Frank Schweitzer, and Dirk Helbing