Assessing students' emerging literacy skills is crucial for identifying areas where a child may be falling behind and can lead directly to an increased chance of reading success. The Waterford Assessment of Core Skills (WACS), a computerized adaptive test of early literacy for students in prekindergarten through 2nd grade, addresses this need.…

Early literacy and reading skills are both important predictors of an individual's future success in school and employment settings (Moats, 1999). Moreover, poor reading performance in elementary school has been associated with future conduct problems and juvenile delinquency by age fifteen (Williams, 1994). Research supports the notion that…