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What is the maximum amount of characters expert users would prefer to type rather than change
their input device, such as switching from keyboard to mouse?
Six to eight
One to three
Fifteen to twenty
When there are competitive products in a marketplace that offer similar functionality, which of the
following is vital for product acceptance?
Celebrity endorsements.
Fancy box art.
Well-engineered usability.
An encyclopedia of manuals to accompany the product.
By decomposing users actions into small measurable steps, the GOMS model and keystroke-level
model describe how users carry out a particular action. These models were able to...
Predict novice beha...