Watson, R., Egberink, I. J., Kirke, L., Tendeiro, J. N., & Doyle, F. (in press). What are the minimal sample size requirements for Mokken scaling? An empirical example with the Warwick-Edinburgh Mental Well-being Scale. Health Psychology and Behavioral Medicine, 6(1), 203-213. https://doi.org/10.1080/21642850.2018.1505520