11:3 Use Mixed-Case for Prose Text
Strength of Evidence:
Document Type: Guideline
Text and Styles
When users must read a lot of information, use lower-case fonts and appropriate capitalization to ensure the fastest possible reading speed.
Using 'mixed-case' fonts for reading prose text means that most letters will be lowercase, with all letters that should be capitalized being in uppercase. Most users have had considerable experience reading lowercase letters and are therefore very proficient at it.
Larson, K. (2004, July). The science of word recognition. Advanced Reading Technology Microsoft Corporation. Retrieved November 2005, from http://www.microsoft.com/typography/ctfonts/WordRecognition.aspx.
THIS BLOCK OF TEXT IS AN EXAMPLE DISPLAYING CONTINUOUS (PROSE) USING ALL UPPERCASE LETTERS. ITS MORE DIFFICULT TO READ. THIS IS NOT CALLED SENTENCE CASE.
Related Usability Guidelines: