The Change House ModelThere are many change management models, one that is becoming increasingly popular is one often referred to as: "The Change House Model", "The House of Change Model" or the "Four Rooms of Change model". History of the Change House Model Originally developed in the early 1970's by Claes F Janssen, it's original or proper name is The Four Rooms of Change or the 4-Room Apartment.In Janssen's work this is represented as: The Four Rooms of Change … [Read more...] about Change House Model