Anchoring bias in face-to-face Time-Trade-Off valuations of health states.

@article{GarcaMolina2017AnchoringBI,
  title={Anchoring bias in face-to-face Time-Trade-Off valuations of health states.},
  author={M. Garc{\'i}a-Molina and L. Chica{\'i}za-Becerra},
  journal={Revista de salud publica},
  year={2017},
  volume={19 5},
  pages={
          686-690
        }
}
OBJECTIVE To test whether anchoring (a cognitive bias) occurs during face-to-face interviews to value health states by Time-Trade-Off. METHODS 147 Colombian subjects (111 males, 36 females) valued five EQ-5D health states better than death during a face-to-face interview. Subjects were randomly assigned to two different starting points. RESULTS Shapiro-Wilk test discarded normality, while non-parametric tests, including Kolmogorov-Smirnov and Wilcoxon-Mann-Whitney, showed that anchoring… Expand
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