. Author manuscript; available in PMC: 2012 Sep 1.

Published in final edited form as: Pers Individ Dif. 2011 Sep 1;51(4):439–444. doi: 10.1016/j.paid.2011.04.009

Table 3.

Descriptive statistics for self-report personality trait measures.

Trait measure	Range	M	SD	Reliability	Zero-order correlations (r)

					BIS	BAS(Total)	Extraversion
BIS	12-28	20.94	3.57	0.81	-		-
BAS (Total)	28-50	40.23	4.6	0.8	-0.14	-	-
Extraversion	3-22	12.23	4.05	0.74	-0.32 ^**	0.33 ^**	-
Neuroticism	2-23	10.82	4.92	0.82	0.59 ^**	-0.09	-0.17

Note. BIS = Behavioral Inhibition System; BAS (Total) = Behavioral Activation System (sum of the three BAS subscale scores). Reliability was calculated using Cronbach's alpha. N = 79 for verbal and nonverbal Stroop tasks.

^**

p < 0.05.