According to Neuroethics Program at Emory University, no intelligence test created so far has been completely unbiased. In a study, Zambian children performed better than English children when using wire while English children performed better using pencil and paper. Children without the advantage of a medium they aren’t used to struggle in intelligence tests.

As used in paragraph 4 of “Why Intelligence Tests Do Not Work Well,” what is the meaning of unbiased?
Responses
A Free from the feeling that one idea is better than the otherFree from the feeling that one idea is better than the other
B Not using tested ideas that are better than the othersNot using tested ideas that are better than the others
C Not developed by a group of people in EuropeNot developed by a group of people in Europe
D Free from the factors that work better in every medium

D Free from the factors that work better in every medium