Using the Wechsler scale of intelligence tests, which of the following is correct?
A)
Lisa, age 16, scores an IQ of 113, while her mother scored the same IQ at 16, causing Lisa to think that she may be more intelligent than her mother.
B)
Identical twins Markus and David showed very different IQ scores, suggesting genetic factors play an insignificant role on intelligence.
C)
Research on fraternal twins suggests that environmental factors have a smaller influence than genes in determining one's intelligence.
D)
The consistent mean IQ of 100 reflects how the overall raw scores from intelligence tests of the population have remained stable.
Answer: A