V9.07

Boundaries of collaborative filtering and collective wisdom

Cards in this group · 5

  1. V9.07.1Group estimates outperform individuals only when judgments are independent
  2. V9.07.2Visible choices break independence and induce conformity
  3. V9.07.3Collaborative filtering reinforces popular items and buries the long tail
  4. V9.07.4Groups do not outperform experts on specialised questions
  5. V9.07.5A few early ratings can lock an item's long-term visibility