Capable and gifted readers are often held back in grade level basal reading texts, regardless of their reading ability, for fear that essential skills may be missed (Allen and Swearingen, 1987; Carr, 1984). The abilities of these students are often underestimated (Bennett and Desforges, 1988).
Combs, M., Russell, J. S., Siera, M., & Douglas, D. (1990). Underestimating Capable Readers. Reading Horizons, 30 (2). Retrieved from http://scholarworks.wmich.edu/reading_horizons/vol30/iss2/4