. . . . . "4.41503E-1"^^ . "4.48E2"^^ . "1.16533E-2"^^ . "5.1002E-3"^^ . "https://data.cooperationdatabank.org/vocab/prop/targetMembership" . "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" . . "2020-12-16T23:39:31.011Z"^^ . . . . "2020-12-01T00:00:00.000Z"^^ . .