Use visual or verbal analogies to give learners clues to content. Younger learners who are less proficient and older learners whose eyesight is no longer good may require a large typeface. such as 14 point . Use medium thickness type for most of your print for ease of reading. Use bold , italics sparingly. These are most effective used to indicate key words or concepts.
Overuse reduces their effectiveness.
Use upper and lower case letters. Proficient readers use the overall shape of a word to read and are experienced with upper and lower case, so they read more efficiently than when reading ALL CAPS which have a less pronounced shape. Use a font to complement the message. You have more latitude in choosing fonts or tytpefaces for print material than with projected visuals or print displayed on a computer screan. However, some fonts are still difficult to read, such as Old English .