@ARTICLE{Grzyb_Tomasz_Why_2016,
 author={Grzyb, Tomasz},
 number={No 2},
 journal={Polish Psychological Bulletin},
 howpublished={online},
 year={2016},
 publisher={Committee for Psychological Science PAS},
 title={Why can’t we just ask? The influence of research methods on results. The case of the “bystander effect”},
 URL={http://journals.pan.pl/Content/99936/PDF/09.pdf},
 doi={10.1515/ppb-2016-0027},
}