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| Seven stages of action is a term coined by the usability
consultant Donald Norman. He explains this phrase in chapter two
of his book The Design of Everyday Things, in the context of
explaining the psychology of a person behind the task performed
by him or her. Building up the Stages Edit I am in Italy at a
conference. I watch the next speaker attempt to thread a film
onto a projector that he never used before. He puts the reel
into place, then takes it off and reverses it. Another person
comes to help. Jointly they thread the film through the
projector and hold the free end, discussing how to put it on the
takeup reel. Two more people come over to help and then another.
The voices grow louder, in three languages: Italian, German and
English. One person investigates the controls, manipulating each
and announcing the result. Confusion mounts. I can no longer
observe all that is happenin