I have been trying to set up an experiment with 100 trials. On each trial, I want to randomly present one of two audio files, followed by one of 100 words (chosen at random, but each presented only once). I have not had any problems getting SL to present a word at random (by setting up a word on each trial, rather than a stimulus list, and presenting trials randomly), but I have not figured out how to have it select one of two audio files to be randomly paired with a word each trial (and do this uniquely for each participant). I have tried to set up a stimulus list for audio files, but when I do this, the stimulus editor window does not let me specify which files should be used (there is a box that says “Location”, but it is grayed out, and I can’t type anything into the two lower boxes in the stimulus editor window).
I’m using SL 4.0.5 (Windows XP), but I had the same problem with the previous version. Can anyone help?