. . . . . "5.67659E-1"^^ . "2.4E1"^^ . "2.18202E-1"^^ . "9.53507E-2"^^ . "https://data.cooperationdatabank.org/vocab/prop/communicationTreatment" . "Thomas M. Steinfatt" . "1973-12-01:00"^^ . . . "5.0E-1"^^ . "36"^^ . "36"^^ . "5.7E-1"^^ . . . . "2"^^ . "5.0E-1"^^ . . "2"^^ . . "1973"^^ . "Published Article" . "Prisoner's Dilemma Game" . "Class" . "Partner" . "Repeated" . . "2020-12-17T00:26:16.669Z"^^ . . . . "2020-12-01T00:00:00.000Z"^^ . .