TABLE 5.

Schemes used for validation of prediction equations

Scheme	Deviation from basic schemea
Alt. 1	= = 0.7
Alt. 2	= = −0.7
Alt. 3	= 0.7, = −0.7
Alt. 4	= −0.7, = 0.7
Alt. 5	= 0.7
Alt. 6	= 0.7
Alt. 7	= −0.7
Alt. 8	= −0.7
Alt. 9	nw = 2, ng = 2,500, , T = 2450
Alt. 10	nw = 10, ng = 500,
Alt. 11	= 0.1
Alt. 12	= 0.5
Alt. 13
Alt. 14	= 1
Alt. 15	N = 20, n = 250
Alt. 16	N = 100, n = 50
Alt. 17	n = 40, T = 2,000
Alt. 18	n = 200, T = 10,000
Alt. 19	N = 100, n = 10, T = 1,000
Alt. 20	N = 200, n = 10, T = 2,000

^aBasic scheme: N = 50 families, n = 100 members per family, so that T = 5000; n_w = 4 individuals per group, so that n_g = 1250 groups; = 1, , = 0.3, = 0.3, = = 0. For schemes with groups composed of two families, T was adjusted when needed to obtain an integer number of blocks.