. . . . . "5.84349E-2"^^ . "2.24E2"^^ . "2.25406E-2"^^ . "1.00313E-2"^^ . "https://data.cooperationdatabank.org/vocab/prop/powerLevel" . "https://data.cooperationdatabank.org/vocab/prop/symmetric" . "Gerald Marwell" . "Ruth E. Ames" . "1979-05-01:00"^^ . . . "1.7E1"^^ . "1.5E1"^^ . "5.0E-1"^^ . "256"^^ . "256"^^ . "5.875E-1"^^ . . . . . "4"^^ . "80"^^ . . "166"^^ . "226"^^ . "406"^^ . . "4.0E2"^^ . "8.0E3"^^ . "1979"^^ . "Published Article" . "Public Goods Game" . "Field" . "Monetary" . "Stranger" . "One-shot" . . "2020-12-17T00:06:56.189Z"^^ . . . . "2020-12-01T00:00:00.000Z"^^ . .