. . . . . "4.29369E-1"^^ . "2.15E2"^^ . "2.51648E-2"^^ . "1.08188E-2"^^ . "https://data.cooperationdatabank.org/vocab/prop/similarityLevel" . "Ilan Fischer" . "2009-01-01"^^ . . . "215"^^ . "215"^^ . "3.8E-1"^^ . . . . . "2"^^ . "2.5E-1"^^ . "6.0E-1"^^ . . "2"^^ . . "2008"^^ . "Published Article" . "Prisoner's Dilemma Game" . "Lab" . "Monetary" . "Stranger" . "One-shot" . . "2020-12-16T23:46:46.351Z"^^ . . . . "2020-12-01T00:00:00.000Z"^^ . .