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. Author manuscript; available in PMC: 2008 Nov 1.
Published in final edited form as: Int J Psychophysiol. 2007 May 3;66(2):161–167. doi: 10.1016/j.ijpsycho.2007.03.021

Table 2.

Means, Standard Deviations, and Intercorrelations for the Study Variables

Correlations M (SD) N

1 2 3 4 5 6
1. Violent 2.77 (2.35) 138
2. Non-Violent .22* 8.59 (7.63) 138
3. Accuracy -.03 .14 .96 (.05) 135
4. Reaction Time .31*** .03 .01 929.62 (216.20) 135
5. Age .14 .13 -.05 .32** 32.09 (8.68) 137
6. Predicted WAIS-R -.22* -.06 .27** -.20** .14 94.16 (13.80) 120
7. P300 amplitude -.22** .08 .01 -.24** -.06 .08 12.13 (3.39) 138
*

p<.05

**

p<.01

***

p<.001

Note: P300 amplitude is averaged across Fz, Cz, Pz electrodes.