Table 6. Range Comparisons amongst Subgroups and grade levels Categorical Group Kindergarten First Grade Second Grade Third Grade Norm Group 139-186 163-201 176-208 161-226 SLI-A 142-181 150-197 167-202 167-205 SLI L&A Comorbid 116-168 128-179 140-188 151-206 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.