. . . . . "8.18536E-1"^^ . "1.32E2"^^ . "4.72842E-2"^^ . "1.89265E-2"^^ . "https://data.cooperationdatabank.org/vocab/prop/heterogeneousEthnicity" . "Poppy Lauretta McLeod" . "Sharon A. Lobel" . "Taylor H. Cox" . "1991-12-01:00"^^ . . . "6.98529E-1"^^ . "136"^^ . "136"^^ . "3.66E-1"^^ . . . . "2"^^ . "5.0E-1"^^ . . "2"^^ . . "1991"^^ . "Published Article" . "Prisoner's Dilemma Game" . "Lab" . "Partner" . "Repeated" . . "2020-12-16T23:37:59.539Z"^^ . . . . "2020-12-01T00:00:00.000Z"^^ . .