Examlex
Let us pretend that the U.S.Department of Agriculture does regular surveys on mature Americans to see what concerns they have with foodborne illnesses.You hear on the news one night that mature Americans are now 50 times more likely to worry about Mad Cow disease than they were five years ago.You happen to remember that there was an outbreak of Mad Cow disease last year at around the same time the data were collected) .It is possible that the increase in concern over Mad Cow disease is partially due to the recent outbreak.This is an example of __________ being a threat to internal validity.
Endogamy
The practice of marrying within a specific social group, caste, or ethnic group, rejecting those from others as inappropriate for marriage or other close relationships.
Legal Barriers
Laws or regulations that constitute obstacles to certain actions or changes.
Family Size
The total number of members in a family unit, including parents and children.
Marital Communication
The exchange of information, thoughts, and feelings between partners in a marriage.
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