n an ancient Greek city on the western shore of Asia Minor in what is now Turkey; site of the Temple of Artemis; was a major trading center and played an important role in early Christianity
n the third ecumenical council in 431 which declared Mary as mother of God and condemned Pelagius
n a self-report personality inventory based on Hans Eysenck's factor analysis of personality which assumes three basic factors (the two most important being extraversion to introversion and neuroticism)