Price-Mohr, R. M., & Price, C. B. (2024). Increasing inter-word spacing reduces migration errors and improves reading comprehension in students with dyslexia . Dyslexia , 30 (4), e1787. https://doi.org/10.1002/dys.1787

Increased inter-word spacing was introduced in a reading comprehension assessment for students with dyslexia to examine its effect on their reading comprehension.

Twenty-two students with dyslexia and 24 without dyslexia from a university in the United Kingdom participated.

Scores on two texts of similar difficulty from a standardized York Assessment of Reading for Comprehension (YARC) were compared for each participant in person under two conditions. Condition one had standard between-word spacing, and condition two increased inter-word spacing from a single space to three spaces.

There was little effect of inter-word spacing from one to two spaces and negative effects from inter-word spacing greater than three spaces. Similar to previous findings, the optimum inter-word spacing was three spaces instead of one. The scores on comprehension assessment questions were significantly improved for students with dyslexia.