Reducing "I Don't Know" Responses and Missing Survey Data: Implications for Measurement.
Deanna C DenmanAustin S BaldwinAndrea C BettsAmy McQueenJasmin A TiroPublished in: Medical decision making : an international journal of the Society for Medical Decision Making (2018)
Findings suggest that use of a prompt to reduce DK responses is preferable to analytic approaches to treating DK responses. Use of such prompts may improve the validity of health behavior survey research.