. . . . . "-2.81633E-1"^^ . "1.6E1"^^ . "3.14096E-1"^^ . "1.401107E-1"^^ . "https://data.cooperationdatabank.org/vocab/prop/gender" . "Douglas W. Bethlehem" . "1975-01-01:00"^^ . . . "180"^^ . "180"^^ . "4.48E-1"^^ . . . . . . "2"^^ . "5.0E-1"^^ . . "2"^^ . . "1975"^^ . "Published Article" . "Prisoner's Dilemma Game" . "Lab" . "Lab in the field" . "Monetary" . "Partner" . "Repeated" . . "2020-12-16T23:24:40.882Z"^^ . . . . "2020-12-01T00:00:00.000Z"^^ . .