AUTHOR=Stok F. Marijn , Mollen Saar , Verkooijen Kirsten T. , Renner Britta TITLE=Editorial: Unravelling Social Norm Effects: How and When Social Norms Affect Eating Behavior JOURNAL=Frontiers in Psychology VOLUME=9 YEAR=2018 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2018.00738 DOI=10.3389/fpsyg.2018.00738 ISSN=1664-1078