Answer :

A researcher's conditions on COVID-19 cause the collider bias, which distorts the relationship between fat and unmeasured other variables.

Anyone performing research is referred to as a researcher, who may have a formal work title to indicate this. Social or natural scientists make up the majority of researchers. An individual who wants to pursue a career in social research or social science needs to be extremely knowledgeable in the field in which they have chosen to focus. Likewise, a person must be knowledgeable in fields connected to natural science in order to conduct research in such fields. 1 individual who self-actualization researches a topic, especially to learn new facts or get new insight. A research essay is a piece of writing that offers details on a certain subject that you have investigated; it is about a subject you are unfamiliar with.

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