January 2024
Intermediate to advanced
400 pages
17h 48m
English
Content preview from Human-Computer Interaction, 2nd EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 2: The human factor
Abstract
This chapter examines the human factor in interactive computing systems. We begin with a brief review of human sensory, perceptual, cognitive, and motor processes. Human memory is examined from the perspective long-term and short-term memory, with short-term memory limited to about seven (±2) units or chunks. Language, and in particular written language, is examined from an information perspective in terms of entropy and redundancy. Human performance in simple reaction and visual search tasks is studied and illustrated through the setup and results of an experiment. Skilled performance, attention, and human error are presented and discussed using examples in computing.
Keywords
human senses; perception; motor ...
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