. . . . . "1.37426E-1"^^ . "5.03E2"^^ . "7.97109E-3"^^ . "3.9808E-3"^^ . "https://data.cooperationdatabank.org/vocab/prop/communicationTreatment" . . . "5.1E-1"^^ . "3.488E1"^^ . "503"^^ . "4.6738E1"^^ . "503"^^ . "4.6738E-1"^^ . "3.0939E1"^^ . . . . . "2"^^ . "3.33333E-1"^^ . . "101"^^ . . "2017"^^ . "Doctoral Dissertation" . "Prisoner's Dilemma Game" . "Online" . "Monetary lottery" . "Stranger" . "One-shot" . . "2020-12-17T00:25:48.844Z"^^ . . . . "2020-12-01T00:00:00.000Z"^^ . .