Table 1 Short descriptions of moral dilemmas and action paths to resolve the dilemmas.

From: The power of justifications to repair human-robot trust, even under moral disagreement

Moral Dilemma

Used in

Synopsis

Action path 

Action

Inaction

Hunger Strike

Experiment 1 Experiment 2

A prisoner is on a hunger strike protesting prison conditions. He is at risk of dying and too weak to communicate. A medical robot needs to decide whether to feed the prisoner to save his life.

Feed

Not Feed

Do Not Resuscitate (DNR)

Experiment 2 Experiment 3

A patient has informally expressed interest in a “Do Not Resuscitate” (DNR) order but, when the patient’s heart stops, a medical robot (or a human) needs to decide whether to resuscitate the man, who has also declared a desire to see a family member one last time.

Resuscitate

Not Resuscitate

Toxic Gas

Experiment 3

Either a human or robot agent needs to decide whether toxic gas emanating from one hospital room should be diverted into a different hospital room, which would result in fewer lives lost.

Divert Gas

Not Divert Gas