Some people incorrectly conclude that because identical twins have IQs more simi

Question

Some people incorrectly conclude that because identical twins have IQs more similar than fraternal twins, IQ is genetically driven. Why is this incorrect? O A There are too few identical twins to properly do the study B Identical twins are always the same sex which distorts the findings C Identical twins studies need to be compared to studies of triplets in order to be accurate Identical twins have been treated as very similar and the extra similarity of their environment may explain the similarity of their I.Q O D E It is false to say that identical twins have more similar lQs than fraternal twins

Explanation / Answer

1. The correct answer is Option D. The similarity in the treatment and environment of identical twins can distort the results of such studies.

2. The correct answer is Option D. Assuming that intelligence is a 'g' factor would mean that t can predict job and academic performance.

3. The correct answer is Option E. Working memory is most associated with general intelligence.

4. The correct answer is Option C. This is an instance of the Flynn effect.

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