Table 2.

Overview of the validity level of all currently available virtual patient simulators.

Validity type and study		Number of participants	Virtual world	Reference
Content validity
	Cohen et al, 2013	23	Second Health London	[13]
Concordance validity
	LeRoy Heinrichs et al, 2008	30	3D Emergency Department	[16]
	Youngblood et al, 2008	30	Virtual Emergency Department	[20]
Predictive validity
	Funke et al, 2012	116	Inmedea	[17]
	Knight et al, 2010	91	Triage Trainer	[21]