Abstract
With the development of increasingly sophisticated computer graphics, there is a continuous growth of the variety and originality of virtual characters used in movies and games. So far, however, their design has mostly been led by the artist’s preferences, not by perceptual studies. In this article, we explored how effective non-player character design can be used to influence gameplay. In particular, we focused on abstract virtual characters with few facial features. In experiment 1, we sought to find rules for how to use a character’s facial features to elicit the perception of certain personality traits, using prior findings for human face perception as a basis. In experiment 2, we then tested how perceived personality traits of a non-player character could influence a player’s moral decisions in a video game. We found that the appearance of the character interacting with the subject modulated aggressive behavior towards a non-present individual. Our results provide us with a better understanding of the perception of abstract virtual characters, their employment in video games, as well as giving us some insights about the factors underlying aggressive behavior in video games.
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