In a t test of differences between means, increasing sample size will affect
a. degrees of freedom
b. standard deviation of the sampling distribution
c. t score
d. all of the above
d
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Dr. Smith owns stock in the XYZ drug company. The majority of her patients have been prescribed a high-priced medication that is only manufactured by XYZ. This situation illustrates which of the following points?
A) Drug companies have a monopoly on certain drugs. B) The medical cash machine generates conflicts of interest. C) Doctors depersonalize patients by treating them all alike. D) Medical fraud can endanger people's lives.
Stanley Milgram demonstrated that
a. some people were more obedient than others. b. all of us are obedient. c. all of us are prejudiced. d. it was not efficient to learn through punishment.
Modern grandparenthood in the United States has been significantly shaped by
A) a younger age at marriage and an increase in family size. B) an increased spacing of children and a later age at retirement. C) an increased life expectancy and changed fertility patterns (women having their last child at a younger age). D) All of the above three have significantly shaped grandparenthood.
Explain sampling and why it is used in data gathering. Explain how one can use a sample for research and still be able to generalize the findings to a larger population; what factors determine if the results from a sample may be generalized to the population?
What will be an ideal response?