What Is the Difference Between an Emic Approach and an Etic

What is the difference between an emic approach and an etic approach to studying cultures?

A) An emic approach signifies bias; an etic approach signifies non-bias.
B) An emic approach is culture specific; an etic approach is cross-cultural.
C) An emic approach is culturally centered; an etic approach is culturally applied.
D) An emic approach is when someone studies his or her own culture; an etic approach is when someone studies another culture.
E) Both terms apply to the same approach.