When a psychologist describes a developing culture as “primitive,” what bias are they displaying?

a.

sexism

b.

ethnocentrism

c.

racism

d.

xenocentrism

B

Explanation:

Since Culture is part of Ethnic backgorund to call another culture as "primitive" denotes that his/her culture is superior his/her culture is on the center and the "primitive" is biased on the margin.

a=d/t

a="triangle"v/t

explanation:

a = acceleration