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The random option allows you to randomize how the different elements in an experiment are displayed. You can:
  • randomize the order that elements in an experiment are displayed. Linked elements are treated as a unit and presented in their fixed order. For example, randomize the stimulus position (an image) on the screen;
  • randomize the size of a stimulus;
  • randomize the duration of a stimulus within a range. If you select this option, duration settings under Intervals are overridden;
  • randomize the stimulus color (with a set of colors).
To randomize the order of elements in a stimuli phase, click on the Settings button, then select Randomize.