Studies with identical twins indicate that
a. homosexuality is not genetically determined
b. there is only a moderate (20–30%) concordance for homosexual orientation
c. there is a substantial (50–60%) concordance for homosexual orientation
d. there is a 100% concordance for homosexual orientation
c
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Which of the following is the primary advantage of the experimental method?
a. It allows scientists to draw cause-and-effect conclusions. b. It allows the study of natural observation. c. It avoids over control of a measure. d. It has no ethical concerns compared to other methods.
Persistent and uncontrollable thoughts, accompanied by the compelling need to perform repetitive acts are likely to be classified as:
a. generalized anxiety disorder b. obsessive-compulsive disorder c. panic disorder d. phobic disorder
Which of the following best reflects gender differences in verbal ability?
a. Only 10 percent of the published studies on gender differences found that females had greater verbal ability. b. Girls tend to be better readers than boys, but boys are better with fine motor skills. c. Boys have more language-related problems than girls. d. The quality of speech production is lower in girls than in boys.
Melina's grandmother has trouble hearing and she says to her mother, "I don't know why she won't wear hearing aids; you said she has the money and that you would take her to the doctor to get them."
Explain two reasons why she might have a hearing impairment and at least one reason why she will not get hearing aids. What will be an ideal response?