. . . . . "2.79161E-1"^^ . "7.3E1"^^ . "1.42324E-2"^^ . "1.3963E-2"^^ . "https://data.cooperationdatabank.org/vocab/prop/knowledgeOfMembership" . . . "6.57534E-1"^^ . "73"^^ . "6.17E1"^^ . "73"^^ . "3.085E-1"^^ . "5.515E1"^^ . . . . . "2"^^ . "3.33333E-1"^^ . . "21"^^ . . "2004"^^ . "Published Article" . "Prisoner's Dilemma Game" . "Lab" . "Monetary" . "Stranger" . "One-shot" . . "2020-12-17T00:00:50.286Z"^^ . . . . "2020-12-01T00:00:00.000Z"^^ . .