By: Barbara Stanley
In 1939, David Wechsler defined intelligence as "the global capacity of a person to act purposefully, to think rationally, and to deal effectively with his environment." Alfred Binet, along...
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By: Ann Major
There are only two factors that affect intelligence: genes and the environment. Since then, there has been a constant tug of war between the importance of "nature or nurture", to...
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By: Magda DH
Intelligence is, broadly speaking, affected by two groups of factors: hereditary and environmental. There is strong evidence that between 40% and 80% of variability in intelligence between normal people is...
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By: Janet Grischy
When the factors that affect intelligence are debated, heredity and environment come up immediately. Factors that affect intelligence are either heredity or environment, and, except for spiritual or supernatural intervention...
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By: Piper Wilson
Intelligence is the capacity for learning. The more intelligent you are, the more you can learn and potentially accomplish. Human beings are complex and that makes generating a concise list...
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