Dr. Raman is a psychologist who believes that personality traits are consistently stable across time and situations. He also believes that they give rise to measurable behavior. Dr. Raman would likely use to measure personality.

- Personality inventories

Explanation:

'Personality Inventories' are described as the kind of questionnaires that the researchers employ to assess the personality traits among the respondents who fill it. It assists them in evaluating the distinct type of personalities possessing different social, behavioral, emotional, cultural, encouraging traits and having varied strengths and defects where they lag behind.

As per the given details, since Raman believes that these traits have been consistent over time irrespective of the variations in the circumstances and they can be mesaured, he would most probably employ these 'personality inventories'(questionnaires) to substantiate his claim. These questionnaires would help him in assessing the validity of his belief by evaluating people's personality traits as filled in by them.

answer; one person; monarch;

answer; positivist; postpositivist;