Janda, Laura A., and Anna Endresen. “Five Statistical Models for Likert-Type Experimental Data on Acceptability Judgments”. Journal of Research Design and Statistics in Linguistics and Communication Science 3, no. 2 (October 30, 2017): 217–250. Accessed July 16, 2024. https://journal.equinoxpub.com/JRDS/article/view/9482.