In the Choice Reaction Time Experiment which follows, you will respond by discerning between one of two different types of stimuli and hitting the appropriate key.  For each trial, either a '6' or a '9' will appear on the screen.  Your task will be to respond by pressing the numeric key corresponding to the number you see.  There will be two blocks of 20 trials each.  The first block will be preceeded by a set of instructions.

Other Reaction Time Experiments: