Comprehensive Test of Phonological Processing

in learning to read are most frequently contributed to weaknesses in the ability to process the phonological features of language (Blachman, 1994; Blachman, Tangel, Ball, Black, & McGraw, 1999; Fletcher & Lyon, 1998; Mathes, Howard, Allen, & Fuchs, 1998; National Research Council, 1998; Torgesen, Wagner, Rashotte, 1994; Torgesen, Wagner, Rashotte, Alexander, & Conway, 1997). The term phonology is of Greek origin, phone meaning &dquo;voice&dquo; or &dquo;sound.&dquo; Phonological processing refers to the use of the sound system of language to process written and oral infonnation, including sensitivity to the sound segments in verbal language (Clark & Uhry, 1995; Harm & Seidenberg, 1999; Mathes &