Dec. 15, 2010 — The sudden appearance of a solution through insight -- the famous 'aha' effect -- is a peculiar phenomenal experience that people have when they solve a problem.
- Suddenness: The experience is surprising and immediate;
- Ease: Compared to the obstacles experienced before, the task solution proceeds smoothly and easily;
- Positive affect: Insights yield positive affective experience;
- The feeling of being right: After an insight, problem solvers judge the solution as being true and have confidence in this judgment, even before assessing its rightness.