Table 1. Examples of the sources (in Football affair scenario*).

Source	Example	Message content
Credible	director of the International Anti-Doping Committee	Three days later, Olivier Estevez, director of the International Anti-Doping Committee, announced that Larsson was not involved in the doping affair (…)
Trustworthy	Popular sports commentator	Oliver Lindgren, a popular sports commentator, stated that Larsson was not involved in the doping affair (…)
Expert	Footballer’s manager	Oliver Lindgren, Larsson’s manager, stated that the player was not involved in the doping affair (…)

*Adapted from Ecker & Antonio [19].