 The five personality traits in the Big Five taxonomy do not, however, constitute the only personality traits. With respect to each of these traits, researchers have identified various sub-traits or “facets” that are less broad and are said to have the advantage of being more accurate. Unfortunately, when it comes to the facet level of traits, there is a lot more controversy in the literature, including how many facets there are for each of the Big Five traits as well as what to call them (Costa and McCrae 1995: 24–27; McCrae and Costa 2003: 47; Ozer and Benet-Martínez 2006: 403; Crowe et al. 2018). Here, though, is one widely used version from McCrae and Costa’s work, which appeals to 30 facets (Costa and McCrae 1995: 28):