A researcher wants to know if personality traits are more similar based on genetic contributions or based on environmental factors. She examines pairs of identical twins who are raised together in the same home and also studies identical twins who were separated at birth and raised in different homes by different parents. According to the textbook, this researcher is conducting a(n) __________ study.
A. Sibling
B. Adoption
C. twin
D. family
Answer: B
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Irene eats large quantities of high-calorie foods at least three times a week, typically when she is alone or nervous. After binging, she induces vomiting. She is constantly concerned about her appearance, although she is of normal weight. An appropriate diagnosis for Irene is ____
a. anorexia nervosa c. bulimia nervosa b. overanxious disorder d. binge-eating disorder
Which of the following is NOT a reason that older adolescents are more likely than younger adolescents to commit suicide?
A) Older adolescents are more likely to have a psychological disorder. B) Older adolescents have a greater number of risk factors for suicide. C) Older adolescents have more advanced cognitive skills so can make effective suicide plans. D) Older adolescents are more likely to have peers who help them with the suicide.
In dominant–recessive inheritance, the one allele that affects the child's characteristics is called
A) dominant–recessive. B) dominant. C) recessive. D) a carrier.
Pain from skin damage is called ________.
A. psychogenic pain B. neuropathic pain C. phantom pain D. nociceptive pain