How to assign 2 responses to 1 event

Hi all,

I have a question regarding the assignment of correct responses to an event. The experiment I want to design is to first give the subject a cue at the beginning of a trial, the trial won’t advance to the next event until the subject presses 2 keys on the keyboard. Once they do that, a question will be provided and the subject has to choose a correct answer out of 4 options. The problem I have on hand is how to assign 2 correct answers (the 2 key press) to an event (the cue). The timing of when they press one key or another is irrelevant; that is, the order of the 2 key-pressing is not our concern, as long as they are both pressed. If anyone knows how to solve this, please let me know. Thank you very much for your help.


Hi Jessie,

You can use the Keyboard-String Input option instead of Keyboard-Single Keys. Suppose that keys 1 and 2 are the correct ones. You can create two responses “12” and “21” and assign both as correct responses in the Event Editor.