You Want to Understand the Relationship Between Consumption of Fossil

Multiple Choice

You want to understand the relationship between consumption of fossil fuels, income per household, and economic health of the region. You find statistics on consumption of fossil fuels by state, but you find income per household by city and economic health by county. What is the problem in using these statistics?

A) Your units of analysis are mismatched.
B) Your variables aren't correctly operationalized for your hypotheses.
C) You can't generalize from the sample.
D) You cannot compare three different variables.