Archive for October, 2011

Ordinal data, continuous data, and statistical tests

Monday, October 17th, 2011

Several of my clients, and their committee members have had some misunderstandings about the use of parametric statistics with ordinal data, so I decided to write this article.
Many statistical procedures such as Pearson’s correlation and Linear regression analysis require certain assumptions about the data in order for the procedure to be valid. […]