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The role of the interviewer in producing mode effects: Results from a mixed modes experiment comparing face-to-face, telephone and web administration
Hope, Steven, (2014)
Mixed modes and measurement error: Using cognitive interviewing to explore the results of a mixed modes experiment
Campanelli, Pamela, (2015)
Is it a good idea to optimise question format for mode of data collection? Results from a mixed modes experiment
Nicolaas, Gerry, (2011)