Intelligence: The Battle for the Mind

Abstract

The concept and measurement of intelligence present a curious paradox. On the one hand, scientists, fluent in the complex statistics of intelligence-testing theories, devote their lives to exploration of cognitive abilities. On the other hand, the media, and inexpert, cross-disciplinary scientists decry the effort as socially divisive and useless in practice. In the past decade, our understanding of testing has radically changed. Better selected samples have extended evidence on the role of heredity and environment in intelligence. There is new evidence on biology and behavior. Advances in molecular genetics have enabled us to discover DMA markers which can identify and isolate a gene for simple genetic traits, paving the way for the study of gene traits, such as intelligence. Hans Eysenck believes these recent developments approximate a general paradigm which could form the basis for future research. He explores the many special abilities--verbal, numerical, visuo-spatial memory--that contribute to our cognitive behavior. He examines pathbreaking work on multiple intelligence, and the notion of social or practical intelligence and considers whether these new ideas have any scientific meaning. Eysenck also includes a study of creativity and intuition--as well as the production of works of art and science--identifying special factors that interact with general intelligence to produce predictable effects in the actual world. The work that Hans Eysenck has put together over the last fifty years in research into individual differences constitutes most of what anyone means by the structure and biological basis of personality and intelligence. A giant in the field of psychology, Eysenck almost single-handedly restructured and reordered his profession. Intelligence is Eysenck's final book and the third in a series of his works from Transaction.

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