Table 1.

The ages (in months) of the four- and five-year-old children in the original and replication pairs.

	Original Pair			Replication Pair
	N	Mean (SD)	Range	N	Mean (SD)	Range
Four Years
SLI	14	53.29 (2.67)	48–58	14	53.29 (3.47)	48–58
TD	16	53.38 (3.54)	48–59	16	53.56 (3.33)	48–59
Five Years
SLI	11	64.91 (3.39)	60–70	11	64.45 (3.27)	60–70
TD	15	64.67 (3.37)	60–70	15	64.67 (3.31)	60–70