GROWTH DEVELOPMENT CHILD
MEASUREMENT OF INTELLIGENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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test reliability
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environmental influences on intelligence
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environmental influences on intelligence
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genetic influences on intelligence
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Detailed explanation-1: -The fact that IQ scores of adopted children have shown to be similar to those of biological parents illustrates genetics influences intelligence.
Detailed explanation-2: -It was found that identical twins have IQ scores that are more similar than the IQ scores of fraternal twins. Even identical twins who were raised in separate households were found to have IQ’s that were more similar than that of fraternal twins raised together.
Detailed explanation-3: -Studies show that IQ scores of identical twins may be more similar than those of fraternal twins. Siblings who were raised together in the same environment have more similar IQs than those of adopted children who were brought up in the same household.
Detailed explanation-4: -How is the average correlation between intelligence scores related to genetic similarity? The average correlation increases as genetic similarity increases.
Detailed explanation-5: -Identical twins are definitely more likely to share the same IQ than are fraternal twins. So genes do play a role in IQ.