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    Santos, Indhira, Petroska-Beska, Violeta, Carneiro, Pedro, Eskreis-Winkler, Lauren, Munoz Boudet, Ana Maria, Berneil, Ines, Krekel, Christian 
ORCID: 0000-0001-5960-3891, Arias, Omar and Duckworth, Angela 
  
(2022)
Can grit be taught? Lessons from a nationwide field experiment with middle-school students.
    CEP Discussion Papers (CEPDP1878).
    London School of Economics and Political Science. Centre for Economic Performance, London, UK.