TIME's morality quiz

The deepest foundation on which morality is built is the phenomenon of empathy, the understanding that what hurts me would feel the same way to you. And human ego notwithstanding, it's a quality other species share. While it's impossible to directly measure empathy in animals, in humans it's another matter. Here are some of the dilemmas used to study human morality. Take this quiz to see how you compare to other TIME.com readers. Then read how scientists are using these dilemmas to study morality.