Thou shalt have no other gods before the ANSI C standard 1586

I haven't found it yet, but I did remember parts of it. The students who took a huge amount of time to complete the task, and thus represented a very low productivity.

Apparently academic curricula emphasize correctness over personal performance (an approach I support). But some of the testers ocmments led me to believe that they were surprised about some of the people who just were not productive at all.

Another, smaller lump was essentially off-the-chart, and represented a tail for whch the test was not meaningful. Those two subsamples accounted for the extreme width of the ratio.

The central lump was uninteresting except that it had not idetifiable mode od peak, being a quite noisy plateau with some foothills. The commentary indicated that this was attributable to the small sample

I think the source may have been a Canadian school. Still don't have it in hand.

How to handle cursing users: Immediate action necessary. Visit their cubicle and ask them, in a humorous tone to tell you how they really feel. If that gets a chuckle, deal with the actual software problems. It if trigers even more ranting consider it cathartic ventilation and schedule a (later) time to review the problems. If it triggers sudden silence with a fixed stare at you, back slowly out of the subicle, flee to your office, send the person email giving them tomorrow off, and consider buttigning their responsibilites to someone else.

Minds can be damaged and sometimes broken by bad software. It happens in usability labs on a regular basis.

tj3