Ian J. Deary is professor of differential psychology at the University of Edinburgh. His principal academic research interests include human mental abilities, the effects of ageing and medical conditions on mental skills, and the impact of cognitive ability on people's lives.
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Some people are cleverer than others. This everyday observation is the subject of an academic field that is often portrayed as confused and controversial, when in fact, the field of intelligence holds some of psychology's best-replicated findings. ... SEE MORE