返へん報ぽう性せいの原げん理り

expression, noun

norm of reciprocity

A social psychology term describing the expectation that people will respond to a positive action with another positive action, and to a negative action with a negative one.

• 返へん報ぽう性せいの原げん理りは、マーケティングや交こう渉しょう術じゅつでよく利り用ようされる。

  The norm of reciprocity is often used in marketing and negotiation techniques.

• 小ちいさな贈おくり物ものを受うけ取とると、返へん報ぽう性せいの原げん理りによってお返かえしをしたくなる。

  When you receive a small gift, the norm of reciprocity makes you want to give something in return.