Table 2.

Mean Resistance to Peer Influence Score by Sample

	Detained		Lower income		Community		Serious offender		Total
Age (years)	M	SD	M	SD	M	SD	M	SD	M	SD
10–11	2.95	.27	2.79	.54	3.01	.44			2.84	.52
12	2.92	.27	2.88	.52	3.14	.54			2.95	.53
13	2.92	.49	2.89	.64	3.09	.48			2.97	.58
14	2.82	.56	2.88	.48	3.04	.49	2.92	.55	2.91	.53
15	3.03	.57	3.04	.65	3.10	.49	2.89	.61	2.98	.59
16	3.09	.59	3.12	.57	3.16	.46	2.96	.56	3.02	.56
17	3.13	.62	3.10	.62	3.26	.42	3.04	.57	3.09	.57
18	3.21	.55	3.22	.53	3.33	.42	3.19	.57	3.23	.53
19	3.31	.48	3.13	.58	3.38	.39			3.26	.50
20	3.28	.61	3.26	.56	3.43	.41			3.32	.53
21–22	3.25	.62	3.23	.50	3.21	.45			3.23	.52
23+	3.22	.56	3.32	.53	3.46	.43			3.32	.52