External validity
Sigmund freud's psychoanalytic theory was based primarily on descriptive data from a few case studies. Critics question how well the experiences of these unusual individuals represent others. The concern referred to is that this type of research may lack external validity.
External validity is the extent to which the information and theories of a study can be generalized to other conditions or to other people. People, places and times are the three major threats ( factors that could be wrong) to external validity
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C.... Independently rules, so not a kingdom (many cities), not a civilization (multiple cities), and not empire for the same reason.
Something used to represent an idea or process.
Because they love the person still, think they can change and the person can and the person doesn't understand that they are in an abusive relationship so they don't know to leave
Answer:
The answer is extreme binge drinking.
Explanation:
It is said that many Americans engage in extreme binge drinking or that they consume at least eight to 10 drinks that have alcohol. This tendency is increasing in the U.S.
These findings become a problem because this high level of drinking is related to aspects like health as well as safety risks, and there is also an important risk regarding injuries or even death according to some researchers.