A Preliminary Study Shows an Association Between Conservative Attitudes and a Higher

question 5

Multiple Choice

A preliminary study shows an association between conservative attitudes and a higher likelihood of having a degenerative condition,such as heart disease or high blood pressure.The researcher decides to perform a simple elaboration of the association by running cross-tabulations of the attitudes-degenerative conditions link separately for those who are under the age of 50 and those who are 50 years of age or older.The reason the researcher does this is that

• A)degenerative conditions may actually cause people to be more conservative.
• B)older people may be more likely to be conservative and to have degenerative conditions.
• C)age might be a mediating variable between attitudes and degenerative conditions.
• D)it can help to get rid of any bias introduced if the sample is not probabilistic.

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