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These studies suggest that IQ scores generally remain stable with age, though variability in cognitive performance can increase due to factors like health and education.
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The relationship between IQ scores and age has been a subject of extensive research. Various studies have explored how IQ scores change over the lifespan, considering factors such as aging, cognitive abilities, and developmental stages. This synthesis aims to present the key insights from multiple research papers on whether IQ scores change with age.
Stability of IQ Over Time:
Variability in Cognitive Performance with Age:
Impact of Age on Different Cognitive Abilities:
Generational and Secular Trends:
Influence of Parental Age:
In summary, IQ scores generally remain stable across the lifespan, although there is increased variability in cognitive performance with age. Different cognitive abilities show varying susceptibility to age-related changes, with fluid intelligence declining and crystallized intelligence remaining stable. Generational trends and parental age also play roles in influencing IQ scores. Overall, while there are nuanced changes in specific cognitive domains, the overall IQ tends to be relatively stable throughout life.
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