Examlex
Which of the following factors contributed to the sharp reduction in aggregate demand during the Great Depression?
I. reduction in wealth
II. reduction in net exports
III. a financial crisis that reduced money supply
IV. tax increases
Correlation
A statistical measure that indicates the extent to which two or more variables fluctuate together.
Ex Post Facto
A research design that examines the effects of an independent variable on a dependent variable after the event has occurred.
Random Assignment
A method in experimental design where study participants are allocated to different groups on a random basis to reduce bias.
Experimental
Relating to a controlled study involving variables manipulated to determine cause-and-effect relationships.
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