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. Author manuscript; available in PMC: 2013 Sep 15.
Published in final edited form as: Am J Psychiatry. 2011 Jul 1;168(9):979–985. doi: 10.1176/appi.ajp.2011.09121812

Table 2.

Response time and error rate data

PTSD Pairs Non-PTSD Pairs
Exposed (n=12) Unexposed (n=12) Exposed (n=14) Unexposed (n=14)
Mean SD Mean SD Mean SD Mean SD
Mean Response Times (msec):
Interference 1066 117 1064 136 983 95 998 100
Control 661 84 665 103 633 114 669 98
Difference Score 405 129 399 93 350 70 329 81
Mean Error Rates (%):
Interference 6.0 4.5 5.7 6.0 5.7 5.6 4.3 4.1
Control 0.5 0.9 1.1 2.0 1.0 1.7 0.3 0.9
Difference Score 5.5 4.7 4.6 5.5 4.7 4.4 4.0 4.3