Question

Which scenario involves scientific research that is most likely free from bias?

a. a company that produces pollution funds climate research.
b. a scientist researches the illegal poaching of his favorite species.
c. a pharmaceutical company researches the effects of one of its cancer treatments.
d. a biologist publishes research that has been reviewed by others outside of her area of expertise.

Answer 1

the last one. The first three all personally involve the one doing the study whereas the last one has been peer-reviewed and gives no hint of their personal opinion