[solved] keyboard response
it´s me again. I have two further questions. First: The program doesn´t accept my correct_response variables. My experiment consists of three parts. In every part there are different response variables (keyboard responses are numbers), all defined as correct_response in the block_loops. I want the target to be present for 300 ms and afterwards I want to present the fixation dot for 1500 ms. The keyboard response should occur during this time span (1800 ms). But after I defined it, the target is presented for more than 300 ms and the feedback is 0% accuracy. In the trial sequence there is first the fixation dot sketchpad and then the target sketchpad, because I don´t want the sequence starting with the target. Maybe that´s the problem?
My second question regards randomization. The same target should be presented no more than two times in series. Is there a possibilitiy to restrict the random function in this way?
Thanks in advance!
Kind ragards, Anna