n a British psychologist (born in Germany) noted for his theories of intelligence and personality and for his strong criticism of Freudian psychoanalysis
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)
n Asian shrub having conspicuous racemose rose-purple flowers widely used as an ornamental and in erosion control and as a source of feed for wild birds