In the Posner Cueing Paradigm, the Participant Maintains Fixation at the Central

Multiple Choice

In the Posner cueing paradigm, the participant maintains fixation at the central point.Cues indicate whether the target will appear on the left or the right.In most trials, the cue is valid; that is, the target appears on the indicated side.But in some trials, the cue is invalid; that is, the target appears on the opposite side of the cue.The experimenters measure the reaction time to indicate that the target is present.The results show that ______.

A) maintaining fixation reduces reaction time significantly
B) participants are relatively faster when the cue is invalid
C) reaction time increases for valid trials
D) participants are relatively faster when the cue is valid