. . . . . "1.65456E-1"^^ . "5.6E1"^^ . "9.16112E-2"^^ . "4.04464E-2"^^ . "https://data.cooperationdatabank.org/vocab/prop/gameIncentive" . "https://data.cooperationdatabank.org/vocab/prop/symmetric" . "Harry Kaufmann" . "Linda Zener Solomon" . "1972-02-01:00"^^ . . . "112"^^ . "112"^^ . "5.85E-1"^^ . . . . . . "2"^^ . "2.0E0"^^ . . "2"^^ . . "1972"^^ . "Published Article" . "Prisoner's Dilemma Game" . "Class" . "Hypothetical" . "Monetary" . "Partner" . "Repeated" . . "2020-12-17T00:25:30.560Z"^^ . . . . "2020-12-01T00:00:00.000Z"^^ . .