Table 1.
Descriptive Statistics for Study Measures
| Measure | Male participants
|
Female participants
|
p | ||
|---|---|---|---|---|---|
| M | SD | M | SD | ||
| ABQ-T1 | 22.00 | 42.80 | 9.57 | 17.12 | .000 |
| ABQ-T2 | 12.90 | 18.4 | 5.69 | 12.41 | .000 |
| YSR EXT | 11.70 | 7.57 | 11.49 | 7.39 | ns |
| RPQ-RA | 1.34 | 0.70 | 1.06 | 0.63 | .000 |
| RPQ-PA | 0.47 | 0.50 | 0.23 | 0.33 | .000 |
| CBCL EXT | 8.35 | 7.13 | 8.22 | 8.28 | ns |
| HA | 2.45 | 0.46 | 2.25 | 0.50 | .000 |
| SDG | 0.64 | 0.25 | 0.65 | 0.25 | ns |
| AA | 0.10 | 0.16 | 0.04 | 0.10 | .000 |
| PEA | 2.07 | 0.39 | 1.89 | 0.38 | .000 |
| RHR | 73.00 | 10.60 | 75.53 | 11.51 | .02 |
| HRR | 14.70 | 5.54 | 12.69 | 4.72 | .000 |
Note. Means for male and female participants were compared with two-tailed t tests.
ABQ-T1 = Adolescent Behavior Questionnaire scores in Grade 10; ABQ-T2 = mean of ABQ scores in Grades 11 and 12; YSR-EXT = Youth Self-Report Externalizing scale (Achenbach, 1991b); RPQ-RA = Reactive-Proactive Aggression Questionnaire Reactive Aggression subscale (Raine et al., 2006); RPQ-PA = Reactive-Proactive Aggression Questionnaire Proactive Aggression subscale (Raine et al., 2006); CBCL-EXT = Child Behavior Checklist Externalizing scale (Achenbach, 1991a); HA = hostile attributions; SDG = self-defense goal orientation; AA = accessing aggression; PEA = positively evaluating aggression; RHR = resting heart rate; HRR = heart rate reactivity to the ambiguous provocation videos.