“…Nonetheless, this viewpoint is not without dispute. Illustrating the linguistic coding differences hypothesis (LCDH), Sparks and Ganschow, sometimes with others (Sparks & Ganschow, 1991, 1993a, 1993b, 1995Sparks, Ganschow, & Javorsky, 2000;Sparks, Ganschow, & Pohlman, 1989;Sparks, Patton, Ganschow, & Humbach, 2006), argued that phonological, syntactic, and/or semantic coding deficits in native language learning accounted for poor FL achievements. Among all deficits, the impact of phonological coding deficits is most pervasive and important.…”