EOC 10.18 Some people incorrectly conclude that because identical twins have IQs
ID: 3453327 • Letter: E
Question
EOC 10.18 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 O B Identical twins are always the same sex which distorts the findings O CIdentical twins studies need to be compared to studies of triplets in order to be accurate D Identical twins have been treated as very similar and the extra similarity of their environment may explain the similarity of their IQ. O E It is false to say that identical twins have more similar IQs than fraternal twinsExplanation / Answer
Answer EOC 10.18
D.
Most twin studies are correlational, hence the conclusion is not of cause and effect, but of relationship.
Answer D seems most apt, because of the environmental similarities of identical twins. Also, a crucial solution for the same is the comparison of IQs of identical twins in the same environment versus the IQs of identical twins raised apart or adoption studies.
Answer EOC 10.19
D.
Researchers who believe g (a general intelligence factor) is the legitimate way of understanding intelligence, are supporting a theoretical view of Spearman. It is proposed that g is the broad intelligence which affects performance on a wide range of cognitive abilities. If someone scores a high g, it is predicted that they will succeed in the general area of academics and well-accepted job performance.
Answer EOC 10.20
E.
Working Memory is associated with General Intelligence, especially proved with the latest research in the field. Working memory is part of the short-term memory which works in real time to process immediate perceptual and linguistic problems. The working memory uses information stored in Long-term, semantic, verbal memories and hence the answer might vary depending on coursework.
Answer EOC 10.21
C.
The correct answer is Flynn Effect, which states that the population (average) IQ, increases by a few points with succeeding generations.
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