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Adjustable Line Spacing

When using the CISL reader, you can adjust the space between lines of text. Readers have the freedom to have lines of text closer together or further apart, depending on their personal preference. One user tester said, "When I read I skip lines, so it’s really helpful for me to have spacing between lines."

Try out different line spacing options in our demo!


The research findings on adjustable line spacing are mixed. Some studies report that larger line spacing improves reading speed and accuracy for adolescents and adults with dyslexia: 

However, another study contradicts these findings: 

Large line spacing may not be beneficial for the general population:

See other sources at Raising the Floor.

Related Guidelines 

The features of the CISL tools are related to existing guidelines and best practices, including the Web Content Accessibility Guidelines (WCAG) and the Universal Design for Learning (UDL) Guidelines. The feature of adjustable line spacing is connected to:

Web Content Accessibility Guidelines(WCAG) 

Universal Design for Learning (UDL) 

Adjustable Line Spacing in other work

Want to see what other projects are doing with Adjustable Line Spacing? See what Raising the Floor has compiled on their adjust text font, including size and spacing page.