Darwin proposed the principle of __________.
A. specific nerve energy
B. homeostasis
C. natural selection
D. functionalism
Answer: C
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Low energy expenditure correlates positively with obesity for which people?
a. Both infants and adults b. Infant females and adult males c. Infant males and adult females d. Adults only
While writing a research paper for a class on the eating habits of adolescent women in the United States, you find that young women frequently
a. consume more calories than they need per day. b. skip breakfast. c. ingest more calcium than is needed. d. consume more vitamin A than is healthy.
According to the text, one good way of defending oneself against persuasive endeavors that are based on the principles of commitment and consistency is to ____
a. state your personal beliefs publicly prior to the attempted persuasion b. pay attention to signs of social proofing c. engage in psychological reactance d. act based on the norm of reciprocity during the attempted persuasion
When a researcher asks the question, "Have subjects been pre-selected so as to represent the extremes on the variable of interest?" she is concerned with which one of the following potential threats to internal validity?
a. testing effect b. maturation c. subject selection d. regression effect