'g' refers to the general factor of intelligence, which is believed to underlie all specific cognitive abilities. It represents an individual's overall intellectual capacity.
Related terms
Specific Intelligence: This term refers to individual cognitive abilities that are specialized in certain areas, such as verbal or spatial skills.
Fluid Intelligence: Fluid intelligence involves reasoning and problem-solving abilities that are not dependent on previously acquired knowledge.
Crystallized Intelligence: Crystallized intelligence relates to knowledge and skills gained through experience and education.