How to best analyze ordinal data
The Effective Statistician - in association with PSI
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How to Use Binary Data to Improve Your CGI Response
The easiest way is to look into responses. And you know, that is very, very often done because people like to use binary data. But at first sight, I mean, if you just decrease the meaning of your questions to a binary question, isn't this a loss of information? So there's a lot of loss in an information. Especially if you don't have so much data and smaller studies, that loss of information can be quite terrible.
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