Which of the following is a measure of how much a group of scores vary from their own mean?
a) mode
b) median
c) central tendency
d) standard deviation
d
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At about age ____, most boys reach spermarche, which is the first spontaneous ejaculation of sperm-laden fluid
a. 9 b. 11 c. 13 d. 15
When teens allow themselves to hope that they can achieve happiness, they
A) imagine a happier future. B) think that they can exert some control over their future. C) expect that a happier future is actually a possibility. D) All of the above.
Dr. Lin and Dr. Marino study obesity. Dr. Lin relates the likelihood of obesity to the levels of the trait of neuroticism-the tendency to experience upsetting emotions. Dr. Marino relates obesity to the frequency with which individuals eat alone; with family members; or in the presence of larger groups of friends, acquaintances, or strangers. In the scenario, which of the following statements is most likely to be true?
A. Dr. Marino is a personality psychologist. B. Dr. Lin is a social psychologist. C. Dr. Marino is a social psychologist. D. Dr. Lin is a behavioral psychologist.
You are having a heated debate regarding breast-feeding in developing countries with your father. He claims that because of the shortage of food in some developing countries, we should provide formula to these mothers
You argue that breast milk is a better way to go and that a great number of children die because they are formula fed. What do you tell your father why formula-feeding is not really such a great idea? a. You finally concede since you discover that women in developing countries cannot breast-feed. b. You finally concede because you learn that malaria can be spread through breast milk. c. The formula is often mixed with contaminated water, which leads to 1.5 million infant deaths per year. d. The formula is tainted in shipment, which causes severe illness and death