After Careful Study of the Relationship Between the Economy and Arson

Multiple Choice

After careful study of the relationship between the economy and arson, the conclusion was drawn that when the economy is poor and unemployment is high, the arson rates go up.The researcher concluded that unemployed people are more likely to commit arson than are those who are employed. What error was just committed?

A) the ecological fallacy
B) reductionism
C) using the wrong time dimension
D) an internal validity threat