Table 1. The means and standard deviation of willing to take action in different conditions.

situation	Saving number	self-decision			other-decision
		N	M	SD	N	M	SD
Trolley problem	5 people	92	4.80	1.92	95	4.91	1.80
	15 people	93	5.48	1.32	90	5.52	1.17
Footbridge problem	5 people	94	2.62	1.94	95	2.09	1.65
	15 people	95	3.74	2.15	95	2.80	1.66
total	5 people	186	3.70	2.21	190	3.50	2.22
	15 people	188	4.60	1.99	188	4.10	2.16