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As part of research study, a researcher decides that she will use the number of pieces of junk mail that a family receives each week as an indicator of how wealthy the family is. If we do not have a good reason to believe that these two things are related, her measure of family wealth is
a. unreliable.
b. not valid.
c. unstandardized.
d. multidimensional.

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Answer:

b. not valid.

Explanation:

Validity of a research is an indicator of how logical an argument is, also considers the method used and the design. Validity means that there is an established relationship in the data that has been collected.

In this instance there is no correlation between the number of junk mail received by a family and their wealth, then her argument is not valid.

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