@article{Kumar2018, author = "Amit Kumar and Nicholas Epley", title = "{KumarSupplementalMaterial_rev – Supplemental material for Undervaluing Gratitude: Expressers Misunderstand the Consequences of Showing Appreciation}", year = "2018", month = "7", url = "https://sage.figshare.com/articles/journal_contribution/KumarSupplementalMaterial_rev_Supplemental_material_for_Undervaluing_Gratitude_Expressers_Misunderstand_the_Consequences_of_Showing_Appreciation/6802418", doi = "10.25384/SAGE.6802418.v1" }