Brigham Bell, John Rieman, Clayton Lewis. Usability testing of a graphical programming system: things we missed in a programming walkthrough. In Scott P. Robertson, Gary M. Olson, Judith S. Olson, editors, Conference on Human Factors in Computing Systems, CHI 1991, New Orleans, LA, USA, April 27 - May 2, 1991, Proceedings. pages 7-12, ACM, 1991. [doi]
Abstract is missing.