Which of the following students provides the best information related to the concept called common ground?
a. Raoul: "Common ground occurs when you want to show that you know more about a topic than other people in your group."
b. Cyd: "Common ground happens when one or more speakers makes an ambiguous statement."
c. Ruth: "For people to achieve common ground, the speakers need to clarify misunderstandings."
d. Sam: "Common ground is relatively easy to establish, as long as people speak the same language."
Ans: c
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Which of the following is most accurate?
A) Women with MBAs earn the same as men in their first year of work. B) Women with MBAs earn less than men in their first year of work. C) Women with MBAs earn more than men in their first year of work. D) Women with MBAs earn the same as women without MBAs in their first year of work. E) Women with MBAs earn the same as men with MBAs in their first year of work.
Matching can reduce the precision of your experiment if
a. the variable on which you match is not highly correlated with the dependent variable b. the variable on which you match is too highly correlated with the dependent variable c. the matching variable and the dependent variable are the same d. None of these are true. Matching always increases the precision of an experiment.