I activated my survey for testing and have since deactivated. I'm now going back to edit the survey and when I click on the Preview survey or Preview survey group button, it won't let me - saying I already completed the survey. What can I do to get back into the previewing mode?
If your survey has "Set cookie to prevent repeated participation" enabled -- this will cause this issue. In your web browser settings, you need to find the setting to delete cookies.
If you are using Internet Explorer, here's a guide on how to delete cookies:
If you are using another web browser, just Google "How to delete cookies +" and add your web browser name after the + sign.