C.J. and Naya are participating in a fraternal twin study. They share about what percentage of their genes?
A. 25%
B. 50%
C. 75%
D. 100%
Answer: B
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Habituation is best described as learning
a. a reflex. b. a new response. c. not to respond. d. in reaction to reinforcement.
James Marcia defined a crisis as a time when
A) adolescents are consciously choosing between various alternatives in regard to identity. B) adolescents' identities are at risk. C) adolescents' identities are characterized by latency. D) adolescents are becoming confused about their roles.
From a global perspective, which of the following best describes the living arrangements for most individuals who are in late adulthood and their children?
a. parents and children live in separate households once children reach adulthood b. parents and children live in different towns or cities c. parents and children live in different homes but in the same town d. parents and children continue to live in the same household
Sam signed up for a clinical trial of a new drug for his muscular dystrophy condition. He will have to take the drug consistently and have regular doctor visits to ensure that it is not making his condition worse. In this case, Sam should be sure to understand that all studies involving human subjects must include __________.
A. freedom from risks B. monetary benefits for participants C. informed consent D. parental consent even if over the age of 18