David DeSteno, director of the social emo­tions lab at North­eastern Uni­ver­sity, demon­strates one of his exper­i­ments designed to iso­late and quan­tify feel­ings of jeal­ousy in a lab­o­ra­tory setting.

DeSteno sets up a bud­ding love tri­angle between three human sub­jects — one is unwit­ting, the other two are in on it. The unaware par­tic­i­pant is then rejected by the others. Things get really inter­esting when DeSteno offers the jilted party a chance to exact revenge.

The exper­i­ment reveals sur­prising things about what makes us jealous and why. It also answers the ques­tion of who gets more jealous: men or women?

Read the article at WBUR →