The regulatory function of social referencing in preschoolers with Down syndrome or Williams syndrome

Table 1 Descriptive statistics for performance on the DAS–II–EY and PPVT–4 as a function of syndrome

	Down syndrome			Williams syndrome
Measure	Mean	SD	Range	Mean	SD	Range
DAS–II–EY
Verbal cluster SS	68.00	10.72	51 – 91	76.90	12.05	51 – 95
Nonverbal reasoning cluster SS	76.95	14.13	36 – 97	84.38	10.97	63 – 107
Spatial cluster SS	51.19	11.72	34 – 70	52.76	14.05	34 – 82
GCA	59.19	10.49	37 – 73	65.05	11.03	44 – 81
PPVT–4
SS	79.55	10.63	61 – 101	88.65	11.50	66 – 106
AE–score (in years)	3.42⁺	–	2.08 – 5.33	3.87⁺	–	2.58 – 6.42

ISSN: 1866-1955