Oops: Steep Drop In Attendance At London’s National Portrait Was Counting Error

An automatic device was found to undercount visitors, so it failed the test. Inexplicably, Ipsos incorrectly informed the gallery that the equipment had “passed” the test. So, for more than a year, the faulty equipment remained in use and incorrect data was supplied to the government. A recent investigation into why the test was categorised as a pass rather than a failure found that “human error” within Ipsos was to blame.

Article source here:Arts Journal