Tindal, G. Hasbrouck, J. & Jones, C. (2005). Oral Reading Fluency: 90 Years of Measurement. Eugene OR: Behavioral Research and Teaching, Technical report # 33.

Hayes, D.P., & Ahrens, M. (1988). Vocabulary simplification for children: A special case of 'motherese.' Journal of Child Language, 15, 395-410.

Perfetti, C. A. (1985). Reading Ability. New York: Oxford University Press.

Schatschneider, C., Buck, J., Torgesen, J.K., Wagner, R.K., Hassler, L., Hecht, S., & Powell-Smith, K. (2004). A multivariate study of factors that contribute to individual differences in performance on the Florida Comprehensive Reading Assessment Test. Technical Report # 5, Florida Center for Reading Research, Tallahassee, FL.

Biancarosa, G., and Snow, C.E. (2004). Reading next - A vision for action and research in Middle and High School Literacy. Washington, DC: Alliance for Excellent Education

Alexander, P.A. (2004). The path to competence: A lifespan developmental perspective on reading. National Reading Conference Literacy Research Review