Testing

The Federal government has warped the fabric of healthcare. By giving away money. They’ve done this both to doctors’ offices and hospitals, for “meaningful use” of healthcare information technology. You get the money only if you use software that the Feds certified to meet their criteria. This is supposed to get us to rapidly have […]

“Wrong Patient”

Updates, December 2014, October 2016: short addenda at end. Speaking of “Bad Design Killing” a big part of the discussion at the ACEP Informatics Section meeting in San Francisco this month was about one particular usability problem with CPOE: entering orders on the wrong patient. I’ve done this myself – as far as I know […]

History, How Bad Design Kills, Posture and Metaphors

The following historical account is based on personal experience as a child being taken to ERs in the 1950s, as an observer in ERs in the 1960s, an EMT and then street medic training in ERs in the 1970s, and then as an emergency physician since the 1980s. Some names may have been changed or […]

Icons, Pedagogic Vectors, Forms Design and Posture

Icons and Pedagogic Vectors We all have trouble remembering a program’s graphical icons. The International Standards Organisation (ISO) has a standard for icons – an icon must be interpreted correctly by 2/3 of  test subjects. In usability and error-prevention terms, a 1/3 error rate is poor, but reality is even worse – an experimental study […]