Do Economists Analyze People's Thought Processes or Do They Look

Do economists analyze people's thought processes or do they look at what people actually do?

A) Economists focus only on people's thought processes.
B) Economists focus on what people do, not their thought processes.
C) An economist's focus is about half-and-half between actions and thought processes.
D) Macroeconomists focus on thought processes while microeconomists focus on actions.