This chapter introduces different types of changes such as planned, unplanned, incremental or marginal, transitional, and transformational. Then, it discusses various models of planned and unplanned changes. Next, based on the traditional change models, a change management model is designed for sustainability, with a detailed inclusion of various steps and substeps, and examples shown for each type of change.
Types of Change
Different authors have introduced various types of changes, based on
• scale (marginal or incremental and drastic or major changes);
• frequency (discontinuous and continuous change), and
• planning (planned and unplanned changes).
With regard to the aforementioned changes, Bond,1 Burnes, ...