The answer is letter c, civilized and primitive do not have
a clear definition. It is because this theory focuses more on the evolution of
societies in which civilized and primitive does not have a clear definition of
how it is connected with this theory.
Answer:A self-report inventory
Explanation:A self-report inventory is psychological test which gives someone a survey or questions in form of a questionnaire which they need to fill with or without the help of a researcher. Self report inventory works with asking direct question which ask someone about their values , interests and personality types. In this test there is no objective answer because it is based on personal test.