Table 1.

Average Score on Cognitive Measures Across Age. Standard Deviations Reported in Parentheses.

	ToM		D/N	BDS	DCCS
Four-year-olds	2.12 (1.48)		.73 (.22)	.15 (.15)	.88 (.27)
Five-year-olds	3.86 (1.30)		.79 (.25)	.30 (.22)	.87 (.30)
Six-year-olds	4.29 (1.24)		.89 (.10)	.46 (.20)	.95 (.20)