Charles Spearman's theory of general intelligence proposes that intelligence is a single, underlying factor called 'g' that influences performance on various cognitive tasks. In other words, he believed that a person who performs well in one intellectual area will likely perform well in other areas too.
Related terms
Fluid intelligence: Fluid intelligence refers to the ability to solve new problems and think critically. It is related to reasoning and adaptability.
Crystallized intelligence refers to knowledge and skills acquired through experience and education. It includes things like vocabulary and factual information.
Factor analysis: Factor analysis is a statistical technique used by Spearman to identify common factors among different cognitive tests, supporting his theory of general intelligence.
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