Prototype has characteristic values on all the features . D. Rosch s Theory of Categorization 1. The most economical way of doing this is to choose the most general and inclusive level of abstraction at which categories can be easily differentiated. At this level of categorization, the features carry the most information. Animals Birds Robin 2.
Classification is fastest at the basic level.
Features have different importance in different contexts. Mental Models A. Theories or schema determine the weights given to different features. Features are aligned by the nature of a contrast. Our mental models models become more complex as we develop expertise in an area. We divide our world into groups or categories.