Prior to important elections,many sample surveys ask likely voters: "If the election were held today,which candidate would you vote for?"This type of sample survey represents a cross-sectional study.

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A cross-sectional study is a type of observational research that analyzes data from a population or a representative sample at a specific point in time. In this case, the sample survey is asking likely voters their preference for a candidate at a specific point in time, making it a cross-sectional study.

Prior to Important Elections,many Sample Surveys Ask Likely Voters: "If