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. Hard; soft Strong; weak Soft; hard Strict; loose Weak; strong