Which Is the More Common Method,longitudinal or Cross-Sectional

question 1

Multiple Choice

Which is the more common method,longitudinal or cross-sectional?

• A) Longitudinal because it is less expensive.
• B) Cross-sectional because it is less expensive.
• C) Longitudinal because the results are obtained relatively quickly.
• D) Cross-sectional because the results are obtained over longer periods of time.

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Definitions:

Dependent Variables

Variables in an experiment or model that are expected to change as a result of changes in the independent variables.

Multicollinearity

A situation in multiple regression where one predictor variable in the model can be linearly predicted from the others with a substantial degree of accuracy.

Multicollinearity

A statistical phenomenon in which two or more predictor variables in a multiple regression model are highly correlated.

Independent Variables

Factors or conditions that are manipulated or changed in an experiment to observe their effect on dependent variables without being influenced by them.