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45 votes
Multiple Choice

Which of the following is the main difference between a longitudinal study and a cross-sectional study?
O number of subjects involved
O methods used to obtain representative sample
O age of subjects studied
O use of statistics to analyze data
O length of time needed to complete.

User Psquared
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1 Answer

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9 votes
I can’t let her go nowhere she too pretty
User Eugene Babich
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