. . . . . "3.41294E-1"^^ . "4.0E1"^^ . "1.27598E-1"^^ . "5.64796E-2"^^ . "https://data.cooperationdatabank.org/vocab/prop/gender" . "Arnold Kahn" . "Joe Hottes" . "William L. Davis" . "1971-01-01"^^ . . . "5.0E-1"^^ . "40"^^ . "40"^^ . "4.21E-1"^^ . . . . . "2"^^ . "5.0E-1"^^ . . "2"^^ . . "1970"^^ . "Published Article" . "Prisoner's Dilemma Game" . "Lab" . "Non-monetary" . "Partner" . "Repeated" . . "2020-12-16T23:58:49.772Z"^^ . . . . "2020-12-01T00:00:00.000Z"^^ . .