Final answer:
Oleena is most likely a social psychologist as she studies how traditions and beliefs exist in groups and the impact these societal factors have on individuals.
Step-by-step explanation:
Oleena, a psychologist interested in studying how traditions and beliefs exist in groups, would most likely be classified as a social psychologist. Social psychologists examine how social norms, traditions, beliefs, and the presence of others impact individuals and their behavior within groups. They are interested in the influence and impact of societal factors on the thinking and behavior of individuals, as well as in devising studies that can help to develop interventions and shift social systems towards more positive outcomes.