Table 1. Mean proportion of generic utterances (SD) out of total utterances by domain, condition, and age group.

			Domain
Experiment	Condition	Age Group	Animals	Artifacts
1	Generic	Children	.83 (.21)	.70 (.25)
		Adults	.45 (.33)	.35 (.28)
	Neutral	Children	.17 (.21)	.13 (.17)
		Adults	.28 (.30)	.18 (.20)
2	Generic	Children	.48 (.36)	.42 (.43)
		Adults	.53 (.37)	.36 (.28)
	Neutral	Children	.12 (.22)	.05 (.13)
		Adults	.15 (.28)	.10 (.19)
3	Generic	Children	.69 (.31)	.56 (.37)