“…Th us some studies have investigated the use of small grapheme to phoneme units (e.g., Solity, Deavers, Kerfoot, Crane, & Cannon, 1999, 2000Stuart, 1999;Vellutino, Scanlon, Sipay, Small, Pratt, Chen, et al, 1996) while other studies have taught larger rime body units (e.g., Bradley, & Bryant, 1985;Gaskins, Downer, Anderson, Cunningham, Gaskins, & Schommer, 1988;Greaney, Tunmer, & Chapman, 1997;White & Cunningham, 1990;Wise, Olson, & Treiman, 1990). Both rimebased and phoneme-based models of intervention have provided some support for their effi cacy.…”