Tag: memory and reasoning


Primary Mental Abilities: Beyond the Single IQ Score

Primary Mental Abilities: Beyond the Single IQ Score

Introduction to Primary Abilities The concept of Primary Abilities represents a foundational shift in the psychological understanding of intelligence, moving away from the unitary “g” factor proposed by earlier researchers like Charles Spearman. This influential theory was first introduced in 1936 by the American psychologist Louis L. Thurstone (1887–1955), who argued that intelligence is not […]

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