3. “Progressive Enhancement builds
documents for the least capable or
differently capable devices first, then
moves on to enhance … in ways that
don't place an undue burden on
baseline devices but which allow a
richer experience for those users with
modern graphical browser software.”
— Steven Champeon
13. The average college
student reads at…
The average professional
speaks at…
250-350 150-175
…words per minute.
…words per minute.
Sources:
• Ziefle, M. (1998), Effects of display resolution on visual performance, Human Factors, 40(4),
555–568.
• Williams, J. R. (1998). Guidelines for the use of multimedia in instruction, Proceedings of the
Human Factors and Ergonomics Society 42nd Annual Meeting, 1447–1451