Does mode of administration matter? Comparison of online and face-to-face administration of a time trade-off task

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Journal Article
Quality of Life Research, 2010, 19 (4), pp. 499 - 508
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Purpose Developments in electronic data collection methods have allowed researchers to generate larger datasets at lower costs, but relatively little is known about the comparative performance of the new methods. This paper considers the comparability of two modes of administration (face-to-face and remote electronic) for the time trade-off. Method Data were collected from a convenience sample of adults (n = 135) randomised to either a face-to-face time trade-off or a remote electronic tool. Patterns of responses were considered. For each sample, standard regression analysis was undertaken to generate a valuation set, which were then contrasted
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