In the 2000 presidential election, the polls of upper-middle-class Americans tended to show Bush leading Gore by a landslide.
When election night came, the final results were closer than had been predicted, and it turned out that Gore won the popular vote while Bush won the more critical Electoral College vote. One possible problem with the earlier survey results was that they relied primarily on polls of upper-middle-class people. This illustrates the finding that a major problem with surveys is
a. responses are not anonymous.
b. people's votes in the polling booth do not necessarily agree with their public statements.
c. they are not predictive of behavior if the sample is not representative of the population about which the prediction is to be made.
d. question order can affect survey results.
Question 2
Complete the analogy about correlation coefficients: positive correlation: same direction as negative correlation: _________.
a. no relationship
b. weak relationship
c. opposite direction
d. no direction
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