An intelligence theorist once proposed the theory of multiple intelligencies to describe the fact that many people have these intelligencies but the level of development could vary according to genetics and culture. The intelligence theorist who distinguished between testing verbal and non-verbal ability is;
Howard Gardner developed the theory of linguistic intelligence which explains the ability of certain people to be sensitive with verbal and non-verbal abilities.
Many skilled people in literature and arts have developed the capacity to differentiate from and analyze both verbal and non-verbal abilities. About seven more intelligencies were proposed by this theorist.
Therefore, Howard Gardner distinguished between testing verbal and non-verbal abilities.
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