Means (SDs) for the SLI and FR-SLI groups on the language tasks at T1 and T2

	T1								T2
	SLI (N = 32)			FR-SLI (N = 29)					SLI (N = 32)			FR-SLI (N = 29)
	N	Mean	SD	N	Mean	SD	t	p	N	Mean	SD	N	Mean	SD	t	p
CELF Basic Concepts (/18)	29	10.45	2.86	29	10.79	3.57	−.41	.69	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
CELF Sentence Structure (/22)	30	7.23	3.28	27	8.15	3.90	−.96	.34	32	13.19	3.95	29	14.10	3.43	−.96	.34
CELF Expressive Vocabulary (/40)	28	10.14	6.48	28	9.89	5.67	.15	.88	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
TEGI 3rd person % correct (whole sample)	22	25.43	26.10	25	16.77	28.73	1.08	.29	30	38.02	30.92	28	55.53	39.17	−1.90	.06
TEGI 3rd person % correct (phono probe)	12	30.79	30.45	16	25.50	32.98	.43	.67	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
TEGI past tense % correct (whole sample)	18	39.54	24.28	21	40.46	30.40	−.10	.92	30	65.28	26.86	26	68.61	26.78	−.46	.65
TEGI past tense % correct (phono probe)	14	44.27	21.99	15	36.35	30.93	.54	.59	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Articulation (PCC)	31	62.42	24.24	28	68.92	21.02	−1.10	.28	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
PSrep word repetition (/18 at T1,/24 at T2)	25	10.68	4.01	27	12.07	3.92	−1 27	.21	32	17.59	5.53	29	18.76	4.51	−.90	.37
PSrep nonword repetition (/18 at T1,/24 at T2)	25	8.36	4.00	27	9.41	3.93	−.95	.35	31	10.26	3.31	29	10.45	3.57	−.96	.34
SIT-16 total (/16)	19	0.74	1.28	23	1.87	2.96	−1.55	.13	24	5.96	4.12	25	6.16	4.54	−.16	.87
SIT-16 content words (/58)	19	36.74	9.52	23	30.30	12.21	1.87	.07	24	47.75	7.18	25	49.36	7.01	−.79	.43
SIT-16 function words (/58)	19	21.26	11.12	23	20.17	15.18	.26	.80	24	40.29	10.99	25	41.36	13.23	−.31	.76
SIT-16 inflections (/13)	19	4.37	3.65	23	4.13	2.99	.23	.82	24	9.08	2.64	25	10.24	8.11	−.67	.51
ROWPVT receptive vocabulary	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	32	49.84	8.94	29	50.62	7.98	−0.36	.72

Only data from children who completed both time-points are included here.