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- What is bias?
Bias is an unknown or unacknowledged error in which one outcome is more likely to occur than another. It can arise from several
sources including flaws in study design, systematic variations in measurement, and interpretations based on flawed data.
Biases can lead to a more optimistic view of a technology than is really warranted.
- How can bias be eliminated?
Virtually every study is subject to some bias, but it can be avoided or reduced with appropriate measures.The following pages contain important biases to consider when thinking about research studies.
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