Table 3.

Mean and SD (standard deviation), increments (Δ) and efficiency (%) in the clusters.

		Target			Distractor			Δ
Group	Position	Mean	SD	Accuracy	Mean	SD	Accuracy	Mean	SD
G1 n = 14	Central	1041.65	199.82	74	1065.77	180.95	71	24.12	177.35
	Partial right	963.89	156.61	77	1128.42	150.15	74	164.53	113.43
	Right Profile	964.09	159.41	74	1128.62	157.13	69	164.53	124.86
	Partial Left	944.57	151.65	74	1091.98	176.81	78	147.41	139.73
	Left profile	954.26	175.91	69	1151.47	163.41	74	197.21	184.43
G2 n = 12	Central	771.47	114.17	71	810.08	101.11	89	38.62	118.49
	Partial right	806.21	135.13	80	773.22	109.12	81	−33.00	126.12
	Right Profile	802.21	113.99	75	794.46	144.12	82	−7.74	118.77
	Partial Left	805.60	138.06	76	791.02	100.23	88	−14.58	151.19
	Left profile	762.75	116.57	72	799.45	99.52	86	36.71	113.10