Supplemental Material, Online_Supplementary_Material - Comparing Grids With Vertical and Horizontal Item-by-Item Formats for PCs and Smartphones

Abstract

<p> Supplemental Material, Online_Supplementary_Material for Comparing Grids With Vertical and Horizontal Item-by-Item Formats for PCs and Smartphones by Melanie Revilla and Mick P. Couper in Social Science Computer Review </p