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1. Alternative layouts for grid questions in PC and mobile web surveys Vasja Vehovar, Mick P. Couper, Gregor Čehovin, 2023, original scientific article Keywords: web surveys, response quality, mobile devices, smartphones, grid questions, item-by-item layout |
2. Item nonresponse in web versus other survey modes Gregor Čehovin, Michael Bošnjak, Katja Lozar Manfreda, 2023, original scientific article Keywords: item nonresponse, nonresponse, web survey, survey mode, response rates, response rate difference, meta-analysis, systematic review |