. . . . . "9.89462E-2"^^ . "2.0E2"^^ . "2.63293E-2"^^ . "1.14737E-2"^^ . "https://data.cooperationdatabank.org/vocab/prop/gender" . "David Mack" . "George P. Knight" . "1972-08-01:00"^^ . . . "5.0E-1"^^ . "200"^^ . "200"^^ . "3.68E-1"^^ . . . . "2"^^ . "3.3E-1"^^ . "4.0E-1"^^ . . "2"^^ . . "1972"^^ . "Published Article" . "Prisoner's Dilemma Game" . "Lab" . "Stranger" . "One-shot" . . "2020-12-17T00:06:29.893Z"^^ . . . . "2020-12-01T00:00:00.000Z"^^ . .