Adoption research has shown that
A) adopted children show a decreasing resemblance in IQ to their biological mothers as they grow older.
B) children of low-IQ biological mothers do as well as children of high-IQ biological mothers when placed in similar adoptive families.
C) children of low-IQ biological mothers scored above average in IQ during the school years when adopted at birth by high-IQ parents.
D) correlations between the IQ scores of adoptive relatives are higher than those of biological relatives.
C
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Researchers responsible for the study of the genetic factors on divorce have been invited to share their research at a conference that you are attending. As you listen to lectures on their studies, you must remember that
a. most studies in this area are experiments that tell you very little about correlation. b. most studies in this field are biased by conflict of interest. c. correlational studies are the best source of information about what causes what. d. correlational studies do not give you information about what causes what.
Which of the following describes an important role that friendships play in adolescents' lives?
A) Stimulation refers to the opportunity to have something to do and pass the time that is offered by friends. B) Friendships offer a safe environment to discuss intimate thoughts with friends, who are typically perceived as being less judgmental and more tolerant of unusual ideas and feelings than parents or other adults. C) Friendships offer psychological support when they bolster each other's ego, affirming that the other person is worthwhile. D) all of the above