Topic: keystroke-level model for user interface evaluation

topics > computer science > user interface > Group: testing and evaluating user interfaces

collecting statistics on a UserInterface
ease of use
Subtopic: keystroke model up

Quote: Keystroke model: the time required by an expert for a routine task is the time needed for the keystrokes [»cardSK3_1979]
Quote: execution time in Keystroke model consists of keystrokes, mouse, hand movement, line drawing, mental preparation, and response time [»cardSK3_1979]
Quote: keystroke-level model--the time for an expert to perform a task is determined by keystroke time [»cardSK7_1980]
Quote: uses keystroke-level model to analyze 3 methods to correct a misspelled word [»cardSK7_1980, OK]

Subtopic: problems with keystroke model up

Quote: minimizing the number of keystrokes may not make a system easy to use; want overall simplicity [»smitDC4_1982]

Subtopic: model cost of tasks relative to layout up

Quote: measure user interface, layout appropriateness by weighted costs of performing common tasks; yields faster performance and preferred layouts

Related Topics up

Topic: collecting statistics on a UserInterface (12 items)
Topic: ease of use
(47 items)

Updated barberCB 7/04
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