Abstract
This brief commentary suggests that the usefulness of the concept intelligence might depend on how one defines intelligence and on whether one is using it for scientific versus practical purposes. Furthermore, it is suggested that the concept of working memory must not be overlooked when considering individual differences in intelligence.
Highlights
This brief commentary suggests that the usefulness of the concept of intelligence might depend on how one defines intelligence and on whether one is using it for scientific or practical purposes
On a more theoretical note, expanding the definition of intelligence to include longer-term cognitive qualities inflates the concept of intelligence beyond what intelligence tests measure and raises the question of which cognitive traits are encompassed by the concept of intelligence and which cognitive traits, if any, are not
Intelligence tests can be scientifically useful in this way, we wonder whether different practical situations might require different definitions of intelligence
Summary
This brief commentary suggests that the usefulness of the concept of intelligence might depend on how one defines intelligence and on whether one is using it for scientific or practical purposes. Intelligence tests can be scientifically useful in this way, we wonder whether different practical situations might require different definitions of intelligence. Cattell [4] distinguished between crystallized intelligence (Gc, for crystallized general intelligence) and fluid intelligence (Gf, for fluid general intelligence), the first referring to domain-specific knowledge and the latter to the ability to deal with new, cognitively demanding situations.
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