Author: Jacques L. Hamel (1) UNECA, Addis Ababa, Ethiopia

A paradigm is a self-consistent set of ideas and beliefs which acts as a filter, influencing how we perceive and make sense of the world. The way in which we often structure our organisations is based on the model of a Egyptian pyramid and is an example of a paradigm. Other examples of paradigms include – how to make bread, what a bed looks like, the characteristics of a chair that lend the idea of “chairness”, the general features of a ship or an aircraft and so on. The term was first used by Thomas Kuhn in “the structure of scientific revolutions” (1962) to describe the the impact of change within the ruling theory of science when fundamental assumptions changed. Kuhn argued that the history of science is not a linear and continuous assimilation of facts but rather a number of revolutions in which new paradigms or new ways of seeing the world, entirely replace the old. Some of his conclusions include: