Early web teams often asked one generalist to build, write, test and maintain a site before design and research separated.
Webmaster usability generalist no longer exists as a living trade. Here is what erased it, and which profession took on the work.
Human factors
Researchers study how systems fit perception, movement and work under real constraints.
What else was happening then
J. C. R. Licklider argues for interactive computing that augments people.
Cognitive psychology increasingly informs models of computer use.
Card, Moran and Newell publish an influential HCI framework.
His work brings everyday usability failures to a broad design audience.
Where that work lives now
Studies how people use products, turning observed behavior, needs and frustrations into evidence teams can design around.
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