Deutskens, Elisabeth; Jong, Ad; Ruyter, Ko; Wetzels, Martin - In: Marketing Letters 17 (2006) 2, pp. 119-136
To compare the generalizability of online and mail surveys in a cross-national service quality study, the authors use G-theory and find a comparable level of generalizability, though online surveys benefited from considerably lower costs. This article contributes to the current comparison of the...