“…On the one hand, it might be argued that with the widespread availability of web-based and mobile devices (cf. Mavletova & Couper, 2013;Van Heerden, Norris, Tollman, Stein, & Richter, 2014;Wells, Bailey, & Link, 2014), paper-and-pencil surveys will soon become outdated and mode differences should be of no major concern to survey specialists. For example, data from Germany show that in the year 2000 market research firms administered paper-and-pencil surveys about four times more often than computerized formats, whereas this ratio reversed during the subsequent decade; today computerized surveys are administered over four times more often than paper-and-pencil formats (ADM, 2014).…”