. . . . . "-4.51468E-2"^^ . "2.24E2"^^ . "2.49003E-2"^^ . "1.05433E-2"^^ . "https://data.cooperationdatabank.org/vocab/prop/communicationTreatment" . "Alphons J.C. Van De Kragt" . "John M. Orbell" . "Robyn M. Dawes" . "1988-09-01:00"^^ . . . "448"^^ . "448"^^ . "4.18E-1"^^ . . . . . "7"^^ . . "2"^^ . . "1988"^^ . "Published Article" . "Prisoner's Dilemma Game" . "Lab" . "Monetary" . "Stranger" . "One-shot" . . "2020-12-16T23:39:28.978Z"^^ . . . . "2020-12-01T00:00:00.000Z"^^ . .