concept album | formation | concept | concept car | Western Canada Concept | Command (military formation) | Elliot Formation | Lance Formation | Formal concept analysis | Crato Formation | Chinle Formation | Two Medicine Formation | Tamayama Formation | Missing Man Formation (band) | Missing Man Formation | Marcellus Formation | Kirkwood Formation | Hartz concept | Great Rift Valley (geographical concept) | Gettysburg Formation | Concept car | Clarens Formation | Wires...and the Concept of Breathing | Whitby Mudstone Formation | Western Canada Concept Party of Saskatchewan | Tunbridge Wells Sand Formation | The Concept of Anxiety | Santana Formation | Phalanx formation | phalanx formation |
Originally designed by Herbert A. Simon and Edward Feigenbaum to simulate phenomena in verbal learning, it has been later adapted to account for data on the psychology of expertise and concept formation.