. . . . . "-1.94521E-1"^^ . "1.23E2"^^ . "4.01704E-2"^^ . "1.80718E-2"^^ . "https://data.cooperationdatabank.org/vocab/prop/groupSize" . "https://data.cooperationdatabank.org/vocab/prop/groupSizeLevel" . "https://data.cooperationdatabank.org/vocab/prop/numberOfDecisionMakers" . "Arthur Schram" . "Joep Sonnemans" . "Theo Offerman" . "1996-07-01:00"^^ . . . "228"^^ . "228"^^ . "3.69E-1"^^ . . . . . "5"^^ . "7"^^ . . "2"^^ . . "1.8E2"^^ . "1996"^^ . "Published Article" . "Public Goods Game" . "Lab" . "Monetary" . "Stranger" . "One-shot" . . "2020-12-17T00:12:05.869Z"^^ . . . . "2020-12-01T00:00:00.000Z"^^ . .