. . . . . "1.21327E-1"^^ . "1.2E2"^^ . "4.97426E-2"^^ . "2.03598E-2"^^ . "https://data.cooperationdatabank.org/vocab/prop/symmetric" . "James P. Gahagan" . "James T. Tedeschi" . "Joann Horai" . "Svenn Lindskold" . "1969-11-01:00"^^ . . . "5.0E-1"^^ . "200"^^ . "200"^^ . "2.78E-1"^^ . . . . "2"^^ . "8.0E-1"^^ . . "2"^^ . . "1969"^^ . "Published Article" . "Prisoner's Dilemma Game" . "Lab" . "Partner" . "Repeated" . . "2020-12-17T00:29:03.932Z"^^ . . . . "2020-12-01T00:00:00.000Z"^^ . .