Table 1.

Demographic composition of the sample

	Total sample	African-American vs. Caucasian (respectively)	Special education vs. regular education (respectively)
Mean age (standard deviation)	11.02 (0.79)	11.01 vs 11.02	11.15 vs 10.95*
Gender (percent female)	42.2%	42.8% vs 44.8%	28.8% vs 49.3%**
Race
Caucasian	58.4%	na	68.5% vs 53.1%**
African-American	30.0		18.9 vs 35.9
Asian or Filipino	5.6		0.9 vs 4.8
Other	6.0		11.7 vs 6.2
Disability (Washington state classification)
Behavior disorder	6.6	6.3% vs 7.0%	na
Orthopedic handicap	0.3	0.0 vs 0.5
Other health impaired	6.3	1.0 vs 9.1
Specific learning disability	14.1	5.2 vs 17.1
Mental retardation	5.9	8.3 vs 4.8
Multi-handicapped	1.6	4.3 vs 2.1
Mean Hollingshead
Socioeconomic status (n = 162)	2.82 (1.32)	2.92 vs 2.80	3.94 vs 2.37**

Notes. N = 320.

^*p < .05;

^**p < .01.