Table 1.

Hit rates and RT for PM targets as a function of task and stimulus phase

Task	Stimulus phase	Hit rate		RT (hits)
		Mean	SE	Mean	SE
Alphabet	SO	0.90	0.03	939.2	99.4
	SI	0.86	0.04	1135.5	160.2
Shape	SO	0.84	0.08	1422.8	239.2
	SI	0.73	0.10	1566.9	326.4

Note: SE, standard error; SO, stimulus-oriented; SI, stimulus-independent.