Concurrent Validity of the Olweus Bully/Victim Questionnaire

Figures & data

TABLE 1 Correlations Among Measures of Bullying, Grades, and Disciplinary Violations

	Self-reportedbullying	Self-reported victim	Bully nominations	Victim nominations	Discipline violations	Suspensions	GPA
Self-reported bullying	—	−.005	.118*	.016	.055	.057	−.151*
Self-reported victim		—	−.005	.422**	.101	−.060	−.122*
Bully nominations			—	.065	.359**	−.044	−.147*
Victim nominations				—	.030	−.048	−.018
Discipline violations					—	.226**	−.309**
Suspensions						—	−.072
*p < .05; **p < .01.

TABLE 2 Group Comparisons Based on Self-Report Criteria for Bullying and Victimization

	Nominations			Discipline violations			Suspensions			GPA
	M (SD)	t	d	M (SD)	t-value	d	M (SD)	t	d	M (SD)	t	d
9-item criterion		−1.80*	.28		−1.48	.24		.46	−.09		2.33*	−.41
Bully (n = 49)	0.82 (1.62)			0.66 (1.48)			0.02 (.15)			2.91 (.66)
Nonbully (n = 150)	0.43 (1.17)			0.34 (1.18)			0.04 (.29)			3.20 (.76)
“At least once” criterion		−0.24**	.39		−.78	.17		−.18	.04		1.58	−.37
Bully (n = 22)	1.14 (2.21)			0.62 (1.43)			0.05 (.22)			2.89 (.73)
Nonbully (n = 177)	0.45 (1.13)			0.39 (1.24)			0.04 (.27)			3.16 (.74)
9-item criterion		–4.01**	.55		−.84	.12		1.36	−.19		1.27	−.18
Victim (n = 96)	0.59 (1.34)			.56 (1.61)			.01 (.11)			3.04 (.79)
Nonvictim (n = 104)	0.06 (.23)			.38 (1.27)			.06 (.35)			3.18 (.73)
“At least once” criterion		–4.74**	.59		−.28	.05		.99	−.24		.92	−.14
Victim (n = 39)	0.95 (1.81)			.53 (1.70)			0 (0)			3.02 (.94)
Nonvictim (n = 161)	0.16 (.55)			.45 (1.37)			.05 (.30)			3.14 (.71)
Olweus standard criterion		–6.00**	.76		–2.18*	.41		.51	−.21		1.95*	−.50
Victim (n = 13)	1.77 (2.83)			1.33 (2.87)			0 (0)			2.71 (1.0)
Nonvictim (n = 187)	0.21 (.59)			.41 (1.28)			.04 (.27)			3.15 (.74)
*p < .05; **p < .01.

TABLE 3 Self-Report and Peer Nominations for Bullying and Victimization

Self-reportHow often have you taken part in bullying another student(s) at school the past couple of months?	Bully nominations
	0	1	2+	Total
It hasn't happened	129	34	14	177
Only once or twice	12	3	5	20
2 or 3 times a month	1	0	0	1
About once a week	1	0	0	1
Several times a week	0	0	0	0
Total	143	37	19	199
Self-reportHow often have you been bullied at school in the past couple of months?	Victim nominations
	0	1	2+	Total
It hasn't happened	142	15	4	161
Only once or twice	15	9	2	26
2 or 3 times a month	4	3	1	8
About once a week	0	1	0	1
Several times a week	0	3	1	4
Total	161	31	8	200