A$.$ Strategy largely focuses on the external environment while Organizational Behavior examines the internal environment.

B$.$ In Organizational Behavior, there is no one best approach, because nobody knows how employees tend to act, but in Strategy there is one best approach based in research.

C$.$ Strategy relies on people's intuition while Organizational Behavior relies on psychology.

D$.$ Strategy relies on econometric models while Organizational Behavior relies on people's intuition.