Table 2.

Reaction time data for the traumatic brain injury and control groups

Cognitive test	TBI			Controls
	N	Mean	SD	N	Mean	SD	Hedges' g	t	p
Four‐choice compatible RT task	154	464.7	94.3	103	437.20	90.63	−0.30	−2.33	.021
Four‐choice incompatible RT task	152	700.4	198.9	103	638.13	173.76	−0.33	−2.58	.010

Abbreviations: N, number of participants; RT, reaction time; SD, standard deviation; t, t test; TBI, traumatic brain injury.