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An alternative to prohibiting sale of a tobacco is imposing a tax equal to its marginal
External Validity
The degree to which an experimental design actually reflects the real-world issues it is supposed to address.
Experimental Design
A research method for testing hypotheses by systematically manipulating variables to observe the effect on some behavior or mental process.
Real-world Issues
Practical problems or challenges that occur in everyday life, outside of controlled experimental settings.
Independent Variables
Factors in an experiment that are intentionally changed or manipulated to observe their effect on dependent variables.
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