If you have small sample size, you can conduct one-sample t-test when ______.
A. the population distribution is normal
B. the sample mean is unknown
C. the sample mean is closer to the population mean
D. the sample standard deviation is sufficiently large
Answer: A
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Infants who receive adequate nutrition but act as though they have been deprived of food, because they are listless and apathetic, are exhibiting signs of which condition?
A. nonorganic failure to thrive B. marasmus C. kwashiorkor D. undernutrition
One reason that smokers tend to give birth to babies who weigh less is that smoking involves __________.
A. clogging up the fetus's lungs with smoke byproducts B. constriction of fetal blood vessels by nicotine C. damaging the lungs of the fetus D. damaging the bones of the fetus
In terms of psychosexual theory, which of the following statements about defense mechanisms is most accurate?
a. Children are so honest that they use only coping mechanisms. b. Only very neurotic people use defense mechanisms. c. The basic function of defense mechanisms is to protect the person from being overwhelmed by painful thoughts and feelings such as anxiety and guilt. d. After a long period, defense mechanisms lead to higher levels of functioning.
The overall themes of Chapter 4 include:
a. a longitudinal perspective often strengthens community research b. the best method for a specific study depends on its purposes c. qualitative methods are better for community research d. both ‘a' and ‘b'