Can we fix it? Yes we can! But what? A n
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Arthur E. Attema; Werner B. F. Brouwer
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Article
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2008
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John Wiley and Sons
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English
⚖ 106 KB
## Abstract The TTO‐method is often used to value health states, but it is susceptible to several biases and methodological difficulties. One of these is a violation of procedural invariance, which means that the way a TTO‐question is framed, i.e. either by fixing the period in imperfect health or