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Direct linkSilber, Henning; Roßmann, Joss; Gummer, Tobias – International Journal of Social Research Methodology, 2018
In this article, we present the results of three question design experiments on inter-item correlations, which tested a grid design against a single-item design. The first and second experiments examined the inter-item correlations of a set with five and seven items, respectively, and the third experiment examined the impact of the question design…
Descriptors: Foreign Countries, Online Surveys, Experiments, Correlation
