What is the reason that geography is especially useful for sample stratification purposes?
A) People live in every type of geographic area.
B) People would not be offended if selected for a study based on their geographic location.
C) Many important variables in social sciences are clustered based on a geographic area.
D) Different geographic areas would allow researchers to enjoy the travel aspect of their study.

Question

Quizplus · Accepted Answer

Many important variables in social sciences, such as income, education level, race, and culture, are often clustered based on a geographic area. Therefore, stratifying a sample based on geography can help ensure that these important variables are represented in the sample.

What Is the Reason That Geography Is Especially Useful for Sample