Researchers studied 500 people and matched their personality type to when in the year they were bom They discovered that the number of people with a "cyclothymic temperament, characterized by rapid, frequent swings between sad and cheerful moods, was significantly lower in those bon in the summer. The study also found that those bom in the autumn were less likely to be depressive, while those bom in winter were more likely to be excessively positive.
(a) What is the research question the study addresses?
A. Does season of birth aflect mood?
B. Are people bon in autumn depressive?
C. Does year of birth affect mood?
D. Are people bon in winter expessively positive?