Posted on 01/05/2017 by Boaz Sobrado in: Categories: Uncategorized. Paper out in the International Journal of Internet Science by Vera Toepoel and Yanniek Hendriks (former bachelor student at UU) The Impact of Non-Coverage in Web Surveys in a Country with High Internet Penetration: Is It (Still) Useful to Provide Equipment to Non-Internet Households in the Netherlands?