Table 2.

Basic and collaborative reciprocity, means and standard deviations

	Initiative	HFASD			Controls
		Child	Adolescent	Total	Child	Adolescent	Total
Basic reciprocity	Participant	.13 (.11)	.09 (.09)	.11 (.10)	.02 (.03)	.01 (.02)	.02 (.03)
	Experimenter	.11 (.10)	.08 (.10)	.10 (.10)	.12 (.12)	.08 (.10)	.10 (.10)
	Total	.24 (.17)	.18 (.16)	.21 (.17)	.14 (.12)	.10 (.07)	.12 (.10)
Collaborative reciprocity	Participant	.25 (.19)	.41 (.16)	.33 (.19)	.24 (.15)	.23 (.15)	.24 (.15)
	Experimenter	.12 (.09)	.23 (.19)	.17 (.15)	.34 (.14)	.56 (.22)	.43 (.21)
	Total	.38 (.23)	.64 (.22)	.50 (.26)	.58 (.20)	.79 (.12)	.66 (.20)