@article{ZylHeijenkKlibertetal.2022,
  author    = {Llewellyn Ellardus van Zyl and Babet Heijenk and Jeff Klibert and Rebecca Shankland and Nicolas B. Verger and Sebastiaan Rothmann and Vincent W. S. Chow and Yue Feng and Eric See-To and Lara C. Roll and Leander van der Meij},
  title     = {Grit across nations: the cross-national equivalence of the Grit-O Scale},
  journal   = {Journal of happiness studies},
  volume    = {23},
  number    = {7},
  pages     = {3179 -- 3213},
  doi       = {10.1007/s10902-022-00543-0},
  year      = {2022},
}