Words that are hard to sound out because the letters and sounds do not match up (for example, said).
The research reported here is funded by awards to the National Center on Improving Literacy from the Office of Elementary and Secondary Education, in partnership with the Office of Special Education Programs (Award #: S283D160003). The opinions expressed are those of the authors and do not represent views of OESE, OSEP, or the U.S. Department of Education. Copyright © 2019 National Center on Improving Literacy. https://improvingliterarcy.org