The false statement among the provided options is:

3. Henri Fayol focuses on increasing productivity.

While both Henri Fayol and F.W. Taylor are considered pioneers in the field of management, Fayol's work focused on the broader aspects of management, including functions like planning, organizing, commanding, coordinating, and controlling. His principles of management cover various aspects of effective organizational management, not just productivity. Taylor, on the other hand, is specifically known for his emphasis on productivity improvement through scientific management techniques.