© The Author(s) 2015. Published by Science and Education Publishing. Table 8. Mean comparisons of NWEA overall subgroup (norm, SLI-A, and SLI L&A comorbid) scores across grade levels Kindergarten First Grade Second Grade Third Grade Norm Group 163.6 177.15 196.3 197.05 SLI-A 154.4 175.2 186.1 192.1 SLI-A/L 149.3 157.75 168.45 170.85 Erin White-Canales et al. The Effects of Speech Sound Disorders on Literacy Outcomes of School-age Children. American Journal of Educational Research, 2015, Vol. 3, No. 10, 1270-1278. doi:10.12691/education-3-10-10 © The Author(s) 2015. Published by Science and Education Publishing.