Table 3.

Means, standard deviations, and minimum and maximum for key variables.

	ASD				TD
Variable	M	SD	Min.	Max.	M	SD	Min.	Max.
Pronouns (counted during 30-minute play session)
1st person
Visit 1	9.87	13.62	0	40	2.78	6.46	0	26
Visit 2	19.27	27.71	1	105	11.44	12.13	0	41
Visit 3	24.27	24.59	0	82	27.5	23.37	0	71
Visit 4	20.73	17.98	0	57	35.39	22.09	9	83
Visit 5	20.14	16.22	2	59	41.28	16.79	18	89
Visit 6	30.53	28.61	0	100	39.28	12.96	23	66
2nd person
Visit 1	2.4	2.82	0	9	.17	.38	0	1
Visit 2	1.73	2.4	0	8	.67	1.08	0	4
Visit 3	4.2	6.05	0	23	5.17	6.01	0	19
Visit 4	6.13	11.13	0	41	7.89	5.8	0	23
Visit 5	8.57	11.41	1	33	13.17	7.97	2	31
Visit 6	9.33	9.60	0	30	17.33	11.34	7	51
3rd person
Visit 1	.33	1.05	0	4	.28	.57	0	2
Visit 2	2.6	4.03	0	13	2.0	3.40	0	13
Visit 3	6.87	9.97	0	37	5.44	6.17	0	20
Visit 4	8.2	9.78	0	31	13.78	14.52	0	48
Visit 5	8.14	10.52	0	35	17.39	13.36	1	54
Visit 6	5.87	7.16	0	23	14.11	12.21	1	41
Name Bias (percent looking time to same-puppet screen minus same-action screen)
Visit 1	.03	.15	−.24	.22	.03	.18	−.36	.31
Response to Joint Attention (in seconds, counted during 30-minute play session)
Visit 1	864.34	360.23	50	1334.50	936.41	365.04	321.37	1499.50
Visit 2	904.18	409.05	0	1537.31	1218.24	231.91	708.67	1509.22
Visit 3	892.48	412.73	271.14	1586.99	1249.15	170.88	965.50	1514.98
Visit 4	946.31	296.89	406.78	1316.94	1207.86	192.18	663.26	1541.10
Visit 5	1006.13	323.85	399.21	1620.28	1066.22	235.80	599.54	1388.77
Visit 6	804.77	233.65	414.77	1222.37	1040.36	203.51	615.11	1365.29
Word tokens (total counted during 30-minute play session)
Visit 1	221.87	155.94	18	487	125.56	120.29	7	472
Visit 2	354.53	275.43	98	1139	307.89	158.28	95	691
Visit 3	511.8	344.22	47	1265	490.72	227.49	138	868
Visit 4	452.73	213.42	62	788	606.44	265.8	231	1207
Visit 5	545.21	322.29	133	1106	691.83	196.98	299	1131
Visit 6	567.73	312.85	94	1171	680.78	219.74	338	1199