Most people can identify intelligent signals, be they from a person, animal or machine.
A definition is trickier than it might appear. Unfortunately, they are overlooked in the big business of standardized testing. According to the theory of multiple intelligences, there are eight, possibly nine, different kinds of intelligence, including musical, athletic and personal. The General Intelligence Factor by Linda S. Gottfredson Also known as g, the general intelligence factor is what IQ tests are all about. Despite the political controversy surrounding it, the test scores and their differences, the author argues, are meaningful indicators not only of academic performance but also of future life outcomes, such as employment, divorce and poverty.