Use upper and lower case letters, according to the spelling rules of the language you are using.
What can I do?
Make sure you only use capital letters according to English spelling rules i.e.
DO NOT USE ALL UPPERCASE LETTERS IN SENTENCES OR TITLES.
This is very common in eLearning resources, especially in titles.
- GOV.UK explains that by 9 years old, most people have learnt to read the 5000 common words they use most.
- They then stop reading these words, and start recognising their shape, which allows them to read much faster.
- When we use all uppercase letters, we change the shape of the words and make it more difficult for our learners to read them.
- Research shows that by using all uppercase letters we slow down all our readers by 13-18%, but learners with a cognitive impairment, or second language learners even more.
- Dyslexic learners find it particularly difficult to read all uppercase letters. It is estimated that up to 1 in every 10 people in the UK has some degree of dyslexia.
Many designers use all capital letters for instructions e.g. on a SUBMIT button. Although instructions usually only contain a few words, and are therefore not as difficult to read as a full title or sentence, it is still more inclusive not to use them at all.
Notice how the uppercase letters used in the page below make it harder to read.
Uppercase letters overused in an introduction page
- WCAG Guideline 3.1 Readable – Advisory recommendations
Use upper and lower case according to the spelling rules of the text language.
- British Dyslexia Association: Dyslexia style guide
Avoid text in uppercase / capital letters and small caps, which can be less familiar to the reader, and harder to read.
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