. Author manuscript; available in PMC: 2005 Sep 13.

Published in final edited form as: Am J Speech Lang Pathol. 2003 Aug;12(3):349–358. doi: 10.1044/1058-0360(2003/080)

TABLE 5.

Correlations (df = 31) between standardized tests and spontaneous speech measures with age and nonverbal IQ partialed out.

Measure	1	2	3	4	5	6	7	8	9	10
1. NDWR
2. MLU	.77^**
3. IPSyn	.70^**	.80^**
4. PPVT-III	.41^*	.31	.37
5. EVT	.33	.31	.31	.51^*
6. Vocabulary combined	.42^*	.36	.39^*	.87^**	.87^**
7. Concepts and Directions^a	.54^**	.55^**	.35	.24	.50^*	.43^*
8. Sentence Structure^b	.36	.32	.23	.61^**	.40^*	.58^**	.37
9. Word Structure^b	.40^*	.42^*	.21	.40^*	.58^**	.56^**	.56^**	.53^**
10. CELF grammar	.43^*	.43^*	.25	.55^**	.58^**	.65^**	.52^**	.81^**	.92^**
11. CELF total	.51^*	.49^*	.36	.58^**	.68^**	.73^**	.72^**	.59^**	.84^**	.86^**

Note. NDWR = number of different word roots; MLU = mean length of utterance; IPSyn = Index of Productive Syntax; PPVT-III = Peabody Picture Vocabulary Test–Third Edition; EVT = Expressive Vocabulary Test.

CELF measure of lexical–semantic skills.

CELF measure of grammatical skills

p < .01.

^**

p < .001.