relationship between effective reading and human-computer interaction
DESCRIPTION
Relationship between effective reading and human-computer interaction. Barbora Drobíková and Richard Papík. HCI and information science. user end-user user behavior / information behavior user = reader. Cognitive processes. - PowerPoint PPT PresentationTRANSCRIPT
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Nov 10, 2008
Relationship between effective reading and human-computer interaction
Barbora Drobíkováand
Richard Papík
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Nov 10, 2008
HCI and information science
• user• end-user• user behavior / information behavior
• user = reader
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Nov 10, 2008
Cognitive processes
• following human senses are frequently used by modern computer and information systems for communication purposes:
SightHearingTouch
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Nov 10, 2008
Sight• approximately 90-95% of information is
forwarded to the brain for subsequent processing by eye-sight
• trends: information visualization• research: large text databases, graphic user
interface, software tools oriented to computer graphic
• research activities reflect the fact that human eyes (sight) interpret visualized data much faster and much more effectively than standard text
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Nov 10, 2008
Psychological and physiological research
• 2nd half (part) of the 19th century• 10s - 20s of the 20th century, especially
American school of experimental psychology
• special reading research => reading courses
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Reading as perception of text
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Cybernetic reading model
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Nov 10, 2008
Reading from screen vs from paper
• Dillon : Reading from paper versus reading from screen
• Dyson : How physical text layout affects reading from screentext variables – line length, character density,
type size, characters per line, columns, window size, lines per screen etc.
• conclusion that reading from screen is by 27% slower than printed text reading
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Nov 10, 2008
Screen and information perception
• 70s and 80s - experts of computer science, also HCI
• 80s - collaborative tools/systems in text processing (inf. science journals)
• during the 90s - information science, information and library schools
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Nov 10, 2008
Internet role
• boom of online systems and variety of information users (children, students, scientists etc.)
• new dimension of research
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Nov 10, 2008
Ergonomics and ISO 9241
• full title is Ergonomic requirements for office work with visual display terminals (VDTs)
• importance of the ISO 9241 group norms for maintaining a dialogue with information systems
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Nov 10, 2008
Timeless recommendations
• Clarity (the information is provided in a clear and precise manner);
• Distinctiveness (the information presented is distinct);• Brief nature (users receive only information necessary
for implementing their tasks);• Congruity (the same information is presented uniformly
in the same manner expected by the users);• Ability to ascertain (the focus of users on the
information requested);• Readability (the information is easy to read);• Lucidity (the content is clear, non-ambiguous,
cognizable and can be interpreted).
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Nov 10, 2008
Future?
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Nov 10, 2008
A question?A suggestion?
A protest?
Thank you for your attention
Richard PapíkBarbora Drobíková