In an earlier blog post, I discussed the problems with a new scale developed by Conway and colleagues to measure left-wing authoritarianism. I wrote that a better scale for measuring this construct could benefit research in psychology. Shortly after this, another team of researchers (Costello et al., 2021) published a new left wing authoritarianism scale. Although I have not studied this scale myself, it looks more promising and lacks the obvious problems of the Conway et al. scale. It is most likely an improvement on previous measures of left-wing authoritarianism. Nevertheless, the paper written by Costello et al. on their new scale is disappointing in some respects. A misleading narrative…