Charles Spearman (1904) defined and developed a unilinear testing approach to general intelligence (g), which is based on a positive correlation among varying subjects like math, earth sciences and vocabulary. Gardner (1983) proposed there were multiple intelligences (MI), or seven areas of intelligence, linguistic, musical, logical-mathematical, spatial, bodily-kinesthetic, intrapersonal, and interpersonal, and that each person has more than one of these skills. While testing of g intelligence is still used to assess overall IQ, universities and corporations look at the wider consideratio…
