Media type: E-Article Title: Preschoolers are sensitive to free riding in a public goods game Contributor: Vogelsang, Martina; Jensen, Keith; Kirschner, Sebastian; Tennie, Claudio; Tomasello, Michael Published: Frontiers Media SA, 2014 Published in: Frontiers in Psychology, 5 (2014) Language: Not determined DOI: 10.3389/fpsyg.2014.00729 ISSN: 1664-1078 Origination: Footnote: Access State: Open Access