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.

Question

Quizplus · Accepted Answer

The measure of family wealth based on the number of pieces of junk mail they receive each week is not valid if there is no good reason to believe that the two things are related. Validity refers to whether a measure actually measures what it is intended to measure, so if there is no relationship between junk mail and wealth, then the measure is not valid. The other options may not necessarily apply in this situation.

As Part of Research Study, a Researcher Decides That She