Table 2.

HRD and Distance Results.

		Before		After		P (paired t-test, 2 tailed)
		Mean	SE	Mean	SE
	Condition
Distance (m)	Async	0.27	0.050	0.40	0.077
	Sync	0.25	0.044	0.29	0.050
	Combined	0.26	0.033	0.34	0.046	0.010
HRD	Async	1.32	0.540	2.67	0.655
	Sync	0.93	0.709	1.58	0.952
	Combined	1.12	0.439	2.13	0.577	0.037

Means and Standard Errors of Head Movement Distance and HRD by Condition (Async, Sync) and Before and After the Threat