Hello. I would like to present one of stimuli within three different lists, and I would like to randomize the trials. However, I do not want to present the stimulus from the same list three times in row. How can I accomplish this?

The link below will be very beneficial in starting to build your experiment. Once you have built your experiment and if you still have questions, please post your experiment as an Experiment Package. This can be found under the File menu within SuperLab.