Table 1. Summary of the experimental data.

Group	N	Offer	Offer	Accept	Accept	Decl.	Gender	Age
		cents	%	%	offer %	offer %	% female	years
All	156	152.02	42.23	71.30	45.99	33.02	42.95	21.14
		(28.21)	(7.84)	(21.08)	(9.19)	(11.86)		(4.42)
Proposer	78	152.05	42.23				42.31	21.54
		(36.73)	(10.20)					(4.52)
Responder	78			71.31	46.90	31.45	43.59	20.74
				(24.75)	(7.14)	(10.80)		(4.32)
Female	67	152.77	42.11	73.98	46.06	29.20	100.00	22.04
		(32.00)	(5.06)	(24.75)	(5.07)	(11.74)		(5.61)
Male	89	151.51	42.31	69.24	47.54	33.16	0.00	20.46
		(40.19)	(3.91)	(24.84)	(8.38)	(9.86)		(3.12)

Note: Standard deviations in brackets.