Research on the attitudes of twins suggests
a. that genetics are not useful in predicting the attitudes different people will hold.
b. the attitudes of identical twins are more similar than the attitudes of fraternal twins.
c. the attitudes of twins who are reared apart from one another are more dissimilar than the attitudes of twinsraised together in the same household
d. that the first-born twin is likely to be more conservative than the second-born twin, even when their births areonly separated by minutes.
b
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In a study by Duyme et al. (1999) of children adopted at a young age into low-, middle-, and high-income families, the key finding was that IQ scores __________.
A. rose equally in all groups due to beneficial effects of adoption B. rose more in children raised in higher-income groups C. only rose in the high-income adoptive group D. declined in the low-income adoptive group
The best description of oxytocin may be that it ____
a. stimulates the brain's reward centers b. increases attention to important social cues c. acts much like endogenous opiates d. really is the "love hormone"
"Look, Mom, she is not really happy; you can see it in her eyes!" cries Amelia's little sister. What might this sharp little 4-year-old have spotted?
A) A masked reaction B) A Duchenne smile C) A Pan Am smile D) A forced smile
Most conflicts that adolescents have with their parents are about the "big" things in life, such as choosing a mate or career, determining a religious orientation, and making a commitment to a set of social and political values
Indicate whether the statement is true or false