. . . . . "-5.06947E-1"^^ . "1.73E2"^^ . "2.96539E-2"^^ . "1.30924E-2"^^ . "https://data.cooperationdatabank.org/vocab/prop/mPCR" . "https://data.cooperationdatabank.org/vocab/prop/mPCRlevel" . . . "331"^^ . "331"^^ . "5.17E-1"^^ . . . . . "4"^^ . "5"^^ . "3.75E-1"^^ . "4.0E-1"^^ . "5.0E-1"^^ . . . "2005"^^ . "Published Article" . "Public Goods Game" . "Lab" . "Monetary" . "Stranger" . "One-shot" . . "2020-12-16T23:54:54.015Z"^^ . . . . "2020-12-01T00:00:00.000Z"^^ . .