Fig. 1

The timeline of one first trial of ‘real world’ and ‘game world’ in the self-serving bias task. Each stimulus included a description of interpersonal event, a question and a 4-point scale. In the examples, the subject’s real name and game name were respectively Ted and Arte, so the subject would attribute the cause of an event to himself or herself from 1 = “Very unlikely” to 4 = “Very likely”