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Research Bias

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Bias exists and is unavoidable in many disciplines of study. As a systematic error that can affect scientific investigations and the experimental processes, bias can significantly negatively affect a research study. Different types of bias may influence a research in different ways. This paper discusses three types of bias that affect research: the first type is design bias, second is reporting bias, and the third is unconscious bias.

Design bias is often introduced when the researcher fails to take into account the bias that can potentially distort the results and their analysis. For instance, in the TED-talk by Ben Goldacre, he mentioned a 2001 Australian study found that olive oil offered protections against skin wrinkling; however, he questioned about the validity of this finding. He noticed there was a clear design bias in the study, since back in the 1930s, those who eat olive oil would likely be wealthier, do less outdoor chores, and have higher socioeconomic standings. Although people in the study who eat olive oil did found to have fewer wrinkles, there were interlocking social, political and cultural reasons that altered the finding (Goldacre, 2011). When researchers fail to recognize the existing bias in their study, as shown in this example where the study fails to recognize the external variables that affected the finding, the research loses its validity. …show more content…
Some research companies will bury some research or parts of the research data to publicize favourable findings. Ben Goldacre in his TED-talk mentioned that in the medical industry, more than half of the trials done on a drug are withheld from doctors and patients. This implies that the negative data is often not being publicized (Goldacre, 2011). Reporting bias can distort the accuracy of the results, and in this case, cause the true effectiveness of the medicine to be

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