books.google.com.br - Psychology is now ready for unified theories of cognition--so says Allen Newell, a leading investigator in computer science and cognitive psychology. Not everyone will agree on a single set of mechanisms that will explain the full range of human cognition, but such theories are within reach and we should...http://books.google.com.br/books/about/Unified_theories_of_cognition.html?hl=pt-BR&id=1lbY14DmV2cC&q=decision+cycle&utm_source=gb-gplus-shareUnified theories of cognition
