Exact(2)
Target presence and target identity (happy or sad) were chosen at random in each trial to avoid expectancy or learning effects.
Pictures depicting body injuries could appear at any position ranging from the first to the tenth picture in order to avoid expectancy effects.
Similar(56)
To avoid overestimating life expectancy, we used HALE values calculated for the Australian 2003 BoD study [ 18] for life expectancy in our Lifetable model according to age group.
To avoid bias through social expectancy parents submit the questionnaire directly to IZKS Mainz.
Our study shows that an important burden of the highest priority patients require an immediate treatment implementation to improve life expectancy and avoid both liver and non-liver-related complications.
Our finding that men were prepared to give up life expectancy to avoid side-effects of medical intervention was also found by a DCE who focused on patients' preferences for the management of non-metastatic PC (Sculpher et al, 2004).
In interval regression, when parents were willing to trade off their full life expectancy to avoid a lifetime health outcome in their child, we treated this observation as providing only partial information about the amount that parents would give up, since they were limited by their life span – which was always shorter than the lifespan of the beneficiary adolescent.
For hypothetical patients who did not have a strong preference against complications of intubation (i.e., were not willing to give up life expectancy to avoid complications of intubation), Full Code was recommended when compared to DNI regardless of COPD severity.
Expected findings were not stated to avoid the potential effect of expectancy bias on the test results [ 57].
Traditional health-state elicitation meth- ods such as standard gamble (SG) and time trade-off (TTO)– which require one to trade life-expectancy to avoid unfavor- able health states (Johnson et al. 2009)–may not be appropri- ate for the valuation of a disease that does not affect survival, such as DC.
56 Complementarily, approaches for reducing bias should include obtaining more accurate information on confounders, such as functional status and life expectancy, avoiding all-cause death in favor of outcomes such as pneumonia or influenza-related pneumonia, and include prospective ascertainment of influenza-specific outcomes to improve study sensitivity to detect a true vaccine effect.
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