In 1944 George Loewenstein, a behavioral economist at Carnegie Mellon University, provided the most comprehensive account of situational interest. It is surprisingly simple : Curiosity, he says, happen when we feel a gap in our knowledge.
Made to Stick, the book from which this quote is taken, is a great book to benchmark and design your communication strategy whether it is to sell washing machines or lead changes in an organization.
This quotes resonates quite vividly for a lean practictioner. In lean, Continuous Improvement is achieved while developing people through problem solving, everyday. In Lean, a problem is defined as a gap between the observed performance and the target performance. And while solving his problem, we develop “nuggets of knowledge” as Steven J Spear describes it.
Problem solving, therefore, somehow draws on people curiosity.