The two chosen scenarios are Cross Sectional Study: Capital punishment deters crime and Time Series Study: Airline deregulation will result in lower airfares. The most important validity issue would be the same for both, internal validity. When viewing the internal validity, one is looking into the accuracy of the information that is being presented in conjunction with the causal claim (Langbein, 2012). In either claim, the information presented does not support that claim and therefore, a dispute arises as to the end result.
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