GROWTH DEVELOPMENT CHILD
MEASUREMENT OF INTELLIGENCE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
parents and children
|
|
|
identical twins
|
|
|
brothers and sisters
|
|
|
fraternal twins.
|
Detailed explanation-1: -The correlation of intelligence test scores for identical twins raised together is about +. 85. For identical twins raised apart, the correlation is about +. 72.
Detailed explanation-2: -The mean correlation of IQ scores between monozygotic twins was 0.86, between siblings 0.47, between half-siblings 0.31, and between cousins 0.15.
Detailed explanation-3: -In this investigation, researchers found that identical twins raised together and identical twins raised apart exhibit a higher correlation between their IQ scores than siblings or fraternal twins raised together (Bouchard, Lykken, McGue, Segal, & Tellegen, 1990).
Detailed explanation-4: -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.