What are the differences in thinking and perception between individuals with a high IQ and those with a lower IQ? How can we determine someone’s intelligence level?
An insight into differences in human cognitive abilities was provided by psychologist Jean Piaget in the 1960’s, in his study of how children learn. His observations led him to understand that children move through three stages of understanding as they acquire a concept. He described these in a sequence from concrete, to pictorial and on …