. Author manuscript; available in PMC: 2019 May 1.

Published in final edited form as: J Abnorm Child Psychol. 2018 May;46(4):795–809. doi: 10.1007/s10802-017-0328-z

Table 1.

Means and Standard Deviations of Primary Study Variables by Gender and Time Point

	Time 1		Time 2		Time 3		Time 4
Variables	Boys	Girls	Boys	Girls	Boys	Girls	Boys	Girls
RA	1.16 (.85)	1.07 (.80)	1.10 (.91)^*	.93 (.81)	1.10 (.76)^*	.84 (.72)	.93 (.73)^*	.80 (.64)
PA	.42 (.60)^*	.22 (.46)	.27 (.59)^*	.16 (.41)	.25 (.55)^*	.14 (.35)	.19 (.41)	.12 (.36)
SP	.33 (3.11)^*	1.14 (2.94)	.41 (3.30)	.72 (3.48)	.09 (3.20)^*	.80 (3.23)	.33 (3.18)	.44 (3.21)
PV	1.02 (1.03)	.91 (1.00)	1.01 (1.08)	1.24 (1.60)	1.05 (1.44)	1.24 (1.64)	1.17 (1.65)	1.13 (1.54)

Note. RA = Reactive Aggression; PA = Proactive Aggression; SP = Social Preference; PV = Peer Victimization. Time 1 = Fall Year 1; Time 2 = Spring Year 1; Time 3 = Fall Year 2; Time 4 = Spring Year 2.

Significant gender difference based on results of a t-test.