opencourseware on critical thinking, logic, and creativity
Cognitive biases are certain pervasive thinking habits which are likely to lead to errors in reasoning, but which seem to be a very common part of human psychology. The study of cognitive biases is a very important part of cognitive science and psychology, and relevant to many other areas, such as economics, management and education.
Many cognitive biases are related to judgments and reasoning about probability and statistics. Here are some examples:
People often regard things as having higher quality when they are nicely packaged. Here is a fun video about people's preference for bottled water: