H. J. Eysenck

H. J. Eysenck was a prominent British psychologist known for his work in personality theory and intelligence. He developed a model of personality based on three dimensions: extraversion, neuroticism, and psychoticism. Eysenck believed these traits largely shaped behavior and mental health. He also conducted research on the effectiveness of psychotherapy and emphasized the role of genetics in personality. His theories sparked debates in psychology, especially regarding the nature versus nurture discussion. Eysenck's influence extended to various fields, including education and clinical psychology, making him a significant figure in understanding human personality.