@article{Lutz2016,
  author    = {Johannes Lutz},
  title     = {The Validity of Crowdsourcing Data in Studying Anger and Aggressive Behavior A Comparison of Online and Laboratory Data},
  journal   = {Social psychology},
  volume    = {47},
  pages     = {38 -- 51},
  doi       = {10.1027/1864-9335/a000256},
  year      = {2016},
}