Reading is the ability to abstact information from a page - Psychology of Reading
Fixation - the point of attention.
Saccade - the point between fixations (1/100 of a second).
Heat maps for readability
Words are like long-term memory. The more you read, the easier they are to recall.
Which words to use
common vocab of about 15,000 words so that it takes less “processing power”.
Typography
A measure is the width of the text box. 56 character is a good measure.
Don’t force readers to work your way; work theirs.
Beginner’s Guide to Usability Testing
In a usability test…
5 users > 80% issues found
Specific user sets