Table 3.

Teachers’ ratings of Impulsive in 1965 or 1967 correlated with direct observations of behavior in 2008-2009.

## - RBQ Item	r
Positive	N = 144
56 - Speaks in a loud voice	.28***
16 - Displays wide range of interests	.25***
20 - Is talkative	.24***
15 - High enthusiasm and energy level	.22**
02 - Volunteers Information about Self	.21*
05 - Dominates situation	.21*
45 - Displays ambition	.21*
54 - Emphasizes accomplishments	.21*
04 - Tries to control situation	.20*
43 - Says/does something interesting	.19*
07 - Exhibits social skills	.17*
Negative
36 - Behaves in fearful or timid manner	−.26***
40 - Keeps other(s) at a distance	−.20*
21 - Expresses insecurity	−.19*
50 - Gives up when faced w/obstacles	−.18*
44 - Says negative things about self	−.17*
39 - Expresses guilt	−.17*
18 - Expresses agreement frequently	−.17*
60 - Seems detached from situation	−.17*

^***Note. p < .001

^**p < .01

^*p < .05.

Impulsive was defined as: behavior always seems very “close to the surface”; often acts before the appropriate moment; finds it difficult to hold back; often acts or speaks without thinking of possible consequences. Probability of this many correlates significant by chance (10,000 trials), p = .0018. Vector correlation by gender, r = .43. Vector correlation by grade, r = .54. Vector correlation by interviewer, r = .37.