Torrin M. Liddell and John K. Kruschke. Analyzing ordinal data with metric models: What could possibly go wrong? Journal of Experimental Social Psychology 2018. 79: 328 - 348. doi: 10.1016/j.jesp.2018.08.009. Available in html format or pdf format.
- This article offers very harsh criticism for the commonly used practice of analyzing ordinal data as if it were continuous.
An earlier version is here.