Most studies indicate that IQ test scores are fixed and can't be significantly modified by the environment.

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While IQ test scores are influenced by genetics, research has also shown that the environment can have an impact on IQ scores, particularly during early childhood development. Factors such as nutrition, education, and exposure to stimulating environments have been linked to higher IQ scores. However, the extent to which the environment can improve IQ scores remains a topic of debate among researchers.

Most Studies Indicate That IQ Test Scores Are Fixed and Can't