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The "tech bubble" burst of 2000,the terrorist attacks of 2001 and the corporate scandals of 2001 and 2002 all had similar qualitative effects on the economy.Which of the following is an appropriate description of the mechanism that would have ensued?
U.S. Presidents
Individuals who have held the office of the President of the United States, serving as the head of state and government.
Longitudinal Study
A research design that involves repeated observations of the same variables (e.g., people) over short or long periods of time, often many years.
Correlational Study
A research method that examines the extent to which two variables are related, without inferring a cause-and-effect relationship between them.
Random Assignment
A method used in experiments to place participants into different groups in a way that each participant has an equal chance of being in any group, minimizing biases.
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