. . . . . "2.48052E-1"^^ . "9.0E1"^^ . "5.51771E-2"^^ . "2.47604E-2"^^ . "https://data.cooperationdatabank.org/vocab/prop/symmetric" . "Ann C. Rumble" . "Craig D. Parks" . "Donelle C. Posey" . "2002-04-01:00"^^ . . . "90"^^ . "90"^^ . "4.55E-1"^^ . . . . . "2"^^ . "7.5E-1"^^ . . "2"^^ . . "2000"^^ . "Published Article" . "Prisoner's Dilemma Game" . "Lab" . "Monetary lottery" . "Partner" . "Repeated" . . "2020-12-17T00:14:22.705Z"^^ . . . . "2020-12-01T00:00:00.000Z"^^ . .