A multi-lab test of the facial feedback hypothesis by the Many Smiles Collaboration

Nicholas A. Coles, David S. March, Fernando Marmolejo‐Ramos, Jeff T. Larsen, Nwadiogo Chisom Arinze, Izuchukwu L. G. Ndukaihe, Megan Willis, Francesco Foroni, Niv Reggev, Aviv Mokady, Patrick S. Forscher, John F. Hunter, Gwenaël Kaminski, Elif Yüvrük, Aycan Kapucu, Tamás Nagy, Nándor Hajdú, Julián Tejada, Raquel Meister Ko. Freitag, Danilo Zambrano, Bidisha Som, Balázs Aczél, Krystian Barzykowski, Sylwia Adamus, Katarzyna Filip, Yuki Yamada, Ayumi Ikeda, Daniel Eaves, Carmel Levitan, Sydney Leiweke, Michał Parzuchowski, Natalie Butcher, Gerit Pfuhl, Dana Basnight-Brown, José Antonio Hinojosa, Pedro R. Montoro, Lady Grey Javela, Kévin Vezirian, Hans IJzerman, Natalia Trujillo, Sarah D. Pressman, Pascal Gygax, Asil Ali Özdoğru, Susana Ruiz Fernández, Phoebe C. Ellsworth, Lowell Gaertner, Fritz Strack, Marco Marozzi, Marco Tullio Liuzza