Table 1.

Instances contained in model.

Source	Behavior	Outcome	Evidence
Ego	Vaccinate	Influenza	Not vaccinate
Ego	Vaccinate	Not influenza	Vaccinate
Ego	Not vaccinate	Influenza	Vaccinate
Ego	Not vaccinate	Not influenza	Not vaccinate
Alter	Vaccinate	Influenza	Not vaccinate
Alter	Vaccinate	Not influenza	Vaccinate
Alter	Not vaccinate	Influenza	Vaccinate
Alter	Not vaccinate	Not influenza	Not vaccinate