A(n) theorist would be relatively more interested in similarities between people in different societies, whereas a(n) theorist would likely focus more on differences across societies.

evolutionary, sociocultural

Explanation:

An evolutionary theorist looks as society through the lens of evolution. The Out of Africa hypothesis states that modern day humans originated from Africa. This means that every person on Earth is related to each other, yet we have vastly different cultures. An evolutionary theorist tries to find the common thread that makes us human.

A sociocultural theorist tries to understand how society influences a person's psychology. A sociocultural theorist tries to understand what makes us different.

can you explain it better

answer; a biased sample;