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This phenomenon is recognized sufficiently that researchers undertake studies to examine bias in past published studies. Funding bias has been associated, in particular, with research into chemical toxicity, tobacco, and pharmaceutical drugs. [1] It is an instance of experimenter's bias.
Observer bias can be seen as a significant issue in medical research and treatment. There is greater potential for variance in observations made where subjective judgement is required, when compared with observation of objective data where there is a much lower risk of observer bias.
All types of bias mentioned above have corresponding measures which can be taken to reduce or eliminate their impacts. Bias should be accounted for at every step of the data collection process, beginning with clearly defined research parameters and consideration of the team who will be conducting the research. [ 2 ]
Publication bias can be contained through better-powered studies, enhanced research standards, and careful consideration of true and non-true relationships. [46] Better-powered studies refer to large studies that deliver definitive results or test major concepts and lead to low-bias meta-analysis.
The experimenter may introduce cognitive bias into a study in several ways — in the observer-expectancy effect, the experimenter may subtly communicate their expectations for the outcome of the study to the participants, causing them to alter their behavior to conform to those expectations. Such observer bias effects are near ...
Observer-expectancy effect, a form of reactivity in which a researcher's cognitive bias causes them to unconsciously influence the participants of an experiment Observer bias , a detection bias in research studies resulting for example from an observer's cognitive biases
Implicit bias is the subliminal prejudice that can lead to racism. “Many people use the terms ‘prejudice’ and ‘racism’ interchangeably, but this is inaccurate,” explains Tatum.
Academic bias is the bias or perceived bias of scholars allowing their beliefs to shape their research and the scientific community. It can refer to several types of scholastic prejudice, e.g., logocentrism , phonocentrism , [ 1 ] ethnocentrism or the belief that some sciences and disciplines rank higher than others.