TABLE 1.

Sex, age, and sample type.

		Male	Female	Total
High ability sample
Age	Kinder	59	38	97
	Children	117	55	172
	Adolescents	28	22	50
Community sample
Age	Kinder	65	45	110
	Children	76	64	140
	Adolescents	34	46	80
	Total	379	270	649