@Article{Schad2020,
  author    = {Daniel J. Schad and Shravan Vasishth and Sven Hohenstein and Reinhold Kliegl},
  title     = {How to capitalize on a priori contrasts in linear (mixed) models: {A} tutorial},
  journal   = {Journal of Memory and Language},
  year      = {2020},
  volume    = {110},
  doi       = {10.1016/j.jml.2019.104038},
}

@Book{Venables2002,
  author    = {W. N. Venables and B. D. Ripley},
  year      = {2002},
  title     = {Modern Applied Statistics with {S}},
  edition   = {Fourth ed},
  publisher = {Springer},
}
