7 papers analyzed
Some studies suggest that IQ scores can vary with age, showing increases in heritability and declines in certain types of IQ, while other studies indicate that specific groups, such as children with high IQs or those with ASD, experience different trends in IQ changes over time.
The study of IQ (Intelligence Quotient) across different ages has been a significant area of research in psychology and education. Understanding how IQ changes with age can provide insights into cognitive development, the impact of environmental factors, and the effectiveness of educational interventions.
Heritability of IQ Increases with Age:
IQ Consistency and Changes in Superior Children:
IQ Trends in Adults:
IQ in Autism Spectrum Disorder (ASD):
Sex Differences in IQ:
Historical IQ Gains:
Research indicates that IQ is influenced by a variety of factors including age, heritability, and environmental influences. While heritability of IQ increases with age, environmental factors play a diminishing role. IQ scores tend to be relatively stable over time, though some changes can occur, particularly in individuals with superior intelligence or those with ASD. Additionally, there are observable sex differences in IQ that change with age, and historical data shows a significant increase in average IQ scores over several decades.
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