I find the UCLA statistical consulting group website very helpful.

This is sick on different levels.
journals.sagepub.com/doi/10.1177/...

, then the irrelevant details may not match up to the prototype and therefore increase judgment of ordinariness as well as lower extremity of character judgment. It's just my guess.

Instead of measuring humanisation and relatableness, would a measure of how banal/ordinary the protagonist is explain away some of the dilution effect? If people tend to hold prototype of virtuous or evil characters that are distant from real life (e.g. they're often from history, news or fictions)

Could there be a "banality" or "ordinariness" effect in moral perception?

@rogerthegs.bsky.social had a bad character hypothesis for moral disgust! Our recent work showed that people make bad character inferences from other people's condemning expression of disgust.

Thanks for sharing the chapter. It's been a fun read!