According to the Harvard Business Review article "Cracking the Code of Change," Theory E is a/an _____ approach to change management, whereas theory O is a/an ____ approach to change management. According to the Harvard Business Review article "Cracking the Code of Change," Theory E is a/an _____ approach to change management, whereas theory O is a/an ____ approach to change management. Strict; loose Soft; hard Hard; soft Weak; strong Strong; weak