?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Integrating+%22different%22+models+in+cognitive+psychology&rft.creator=Greco%2C+Alberto&rft.subject=Cognitive+Psychology&rft.description=In+seeking+to+integrate+different+models%2C+one+may+encounter+two+main+obstacles%2C+i.e.+the+models+might+not+share+the+same+sense+of+'model'+and+they+might+not+have+the+same+object.+In+this+article+it+is+argued+that+the+first+hindrance+can+be+overcome+whilst+the+second+cannot.+In+cognitive+psychology%2C+the+concept+of+model+oscillates+between+a+psychological+sense+(a+knowledge-representation+system)+and+an+epistemological+sense+(a+set+of+hypotheses%2C+often+limited+in+some+aspect).+However%2C+these+senses+can+be+intermixed%2C+since+hypotheses+may+turn+out+to+be+a+particular+kind+of+representation+or+may%2C+themselves%2C+use+some+kind+of+representation.+Models+which+are+'different'+only+in+kind+may+be+compared+and+possibly+integrated%2C+but+the+critical+aspect+is+that+they+should+concern+the+same+psychological+function+(or+functions)%2C+either+as+tools+to+represent+it+or+as+hypotheses+on+it%2C+independent+of+implementation.+The+relevant+questions+are%2C+then%2C+how+to+identify+which+model+function+is+concerned%2C+how+psychological+variables+inside+models+are+defined+and+in+particular+what+the+relationship+is+between+functional+variables+and+their+'labels'.+Examples+of+these+topics+in+both+symbolic+and+connectionist+models+are+given.&rft.date=1994&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F650%2F1%2FCOGSY94.HTM&rft.identifier=++Greco%2C+Alberto++(1994)+Integrating+%22different%22+models+in+cognitive+psychology.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F650%2F