Table 5.

Pairwise correlations of IPL measures with speech and standardized test measures (N = 22).

Language measure	Percent looking to matching scenea		Latency of first look to matching scene (seconds)
	–ing test trials	Past test trials	–ing test trials	Past test trials
Spontaneous speech (Visits 5 and 6)
1. MLU	.379	−.095	−.210	−.079
2. Total words (types)	.443*	−.195	−.299	−.024
3. Total words (tokens)	.426*	−.141	−.345	−.067
4. Progressive verbs (types)	.421	−.225	−.385	−.164
5. Progressive verbs (tokens)	.513*	−.184	−.408	−.109
6. Past verbs (types)	.474*	−.140	−.458*	−.038
7. Past verbs (tokens)	.515*	−.078	−.465*	−.005
Mullen Scales of Early Learning, raw scores, Visit 6
8. Visual reception scale	.436*	−.181	−.233	−.238
9. Fine motor scale	.323	.024	−.279	−.183
10. Receptive language scale	.551**	−.072	−.470*	−.284
11. Expressive language scale	.393	−.037	−.279	−.177
12. ADOS, Visit 5	−.290	.294	.331	.017

Note. MLU = mean length of utterance; ADOS = Autism Diagnostic Observation Scale.

^aAcross entire test trial.

^*p < .05.

^**p < .01.