“…These qualities might be responsible for the increasing use of distinctive indices of similarity (Baird et al, 2006; Bleidorn, Kandler, Riemann, Angleitner, & Spinath, 2012; Furr, 2008; Klimstra et al, 2010; Rogers & Biesanz, 2015). However, many investigators continue to use similarity indices that do not remove the normative profile (Boer et al, 2011; Decuyper, De Bolle, & De Fruyt, 2012; Gonzaga et al, 2010; Terracciano, McCrae, & Costa, 2010; Townsend et al, 2013), and this seems due to a sense that distinctive indices eliminate something that is not an artifact. 4 In our example, the concern is that we are removing meaningful ways in which Hermione and Ron really are similar to one another.…”