Impressions of World of Warcraft players’ personalities based on their usernames: Interobserver consensus but no accuracy

Millions of people interact in the context of massively-multi-player-online-role-play-games (MMORPGs). Here we address whether MMORPG usernames convey accurate information about users’ personalities. Impressions based on email addresses show some accuracy but MMORPG’s are different because they provide little accountability, with little expectation that users will ever meet in person. We assessed consensus and accuracy in impressions based on 1357 (153 females) World of Warcraft users. Ratings of the usernames in terms of the Big Five dimensions yielded strong consensus (mean ICC = .46) but low accuracy (mean r = .01). Lens-model analysis suggest that features of the usernames have little validity, but observers used them anyway. Discussion focuses on why results might differ from those based on email addresses.