___________believed that there is a common structure on which people differ from each other. This structure could be determined empirically. He tried to identify the primary traits from a huge array of descriptive adjectives found in language.
Answer & explanation
Correct answer: option 3
Raymond Cattell believed that there is a common structure on which people differ from each other. This structure could be determined empirically. He tried to identify the primary traits from a huge array of descriptive adjectives found in language.