These gamers also took the Moral Foundations Questionnaire (you can take the self-scorable test, here) to evaluate their psychological foundations of morality, such as whether they value loyalty to a group or whether they respect authority.

FORBES: You and Your Videogame Avatar Are More Moral Than You Realize

The exercise was conducted in 2003 through the voluntary completion of a questionnaire by drivers who had failed or refused a breath test or who when tested passed on amber which indicated the presence of alcohol in their breath.

BBC: A typical drink driver is a man, the study says