Table 1.

Participant characteristics and test scores.

Measure	Group
	TD		Dyslexia		DLD		Dyslexia/DLD
	M	SD	M	SD	M	SD	M	SD
Age in months	92.82	4.97	94.19	5.39	96.44	6.21	94.61	5.66
Mother's education in years	15.38	1.66	14.84	1.90	14.55	2.79	14.19	2.12
GFTA-2 Articulation Accuracy percentile	50.89	8.54	41.37	15.97	38.11	17.05	33.50	18.53
KABC-II Nonverbal Index standard score	117.60	15.53	106.80	13.40	103.33	13.68	97.20	14.46
TOWRE-2 Word/Nonword standard score	109.45	8.40	80.61	6.23	103.11	6.83	79.27	7.09
CELF-4 Core Language standard score	108.75	9.58	100.30	8.61	74.11	10.13	73.30	8.33
EVT-2 standard score	112.39	10.95	103.34	10.85	93.22	8.90	89.18	9.57
WRMT-III PC standard score	108.23	9.85	93.89	10.66	98.11	8.25	82.11	11.78
ADHD raw score	10.19	8.77	13.02	9.02	7.17	7.6	15.47	12.15

Note. TD = typical development; DLD = developmental language disorder; GFTA-2 = Goldman-Fristoe Test of Articulation–Second Edition (Goldman & Fristoe, 2000); KABC-II = Kaufman Assessment Battery for Children–Second Edition (Kaufman & Kaufman, 2004); TOWRE-2 = Test of Word Reading Efficiency–Second Edition (Torgesen, Wagner, & Rashotte, 2012); CELF-4 = Clinical Evaluation of Language Fundamentals–Fourth Edition (Semel, Wiig, & Secord, 2003); EVT-2 = Expressive Vocabulary Test–Second Edition (Williams, 2007); WRMT-III PC = Woodcock Reading Mastery Tests–Third Edition Passage Comprehension (Woodcock, 2011); ADHD = ADHD Rating Scale–IV: Home Version (DuPaul et al., 1998).