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information bias |
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information bias Epidemiology The bias that arises in a clinical study because of misclassification of the level of exposure to the agent or factor being assessed and/or misclassification of the disease itself; a type of bias that occurs when
measurement of information–eg, exposure or disease—differs among study groups. See Bias. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Previous studies of how parental atopy and exposure to dampness and molds contribute to the risk of asthma have been mainly cross-sectional or prevalent case-control studies, where selection and information bias and temporality constitute problems. For example, regarding the recent Quebec Task Force on Whiplash-Associated Disorders and Its Management,[10] Freeman and colleagues[11] questioned the validity of the findings of the Quebec Task Force and noted numerous methodological errors in their report, including selection bias, information bias, and unsupported conclusions and recommendations. During the one-day program, participants will examine and the most significant consumer concerns about Web sites: transparency, information bias, site identity, blurring of lines between information and advertising and privacy and security. |
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