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Aug 13, 2012 at 10:53 comment added Blain Waan Wow, great reference, this is far better than my answer.
Aug 13, 2012 at 10:40 comment added chl About visualization techniques, there are some discussions lurking around there: Visualizing Likert Item Response Data. For raw data, I believe having a short overview should be enough, although it is possible to rely on external web hosting systems. Now, the question is what the graphical displays and numerical quantities aim to demonstrate/illustrate.
Aug 13, 2012 at 10:08 history answered Blain Waan CC BY-SA 3.0