?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Feature+Centrality+and+Conceptual+Coherence&rft.creator=Sloman%2C+Steven+A.&rft.creator=Love%2C+Bradley+C.&rft.creator=Woo-kyoung%2C+Ahn&rft.subject=Cognitive+Psychology&rft.description=Conceptual+features+differ+in+how+mentally+tranformable+they+are.+A+robin+that+does+not+eat+is+harder+to+imagine+than+a+robin+that+does+not+chirp.+We+argue+that+features+are+immutable+to+the+extent+that+they+are+central+in+a+network+of+dependency+relations.+The+immutability+of+a+feature+reflects+how+much+the+internal+structure+of+a+concept+depends+on+that+feature%3B+i.e.%2C+how+much+the+feature+contributes+to+the+concept's+coherence.+Complementarily%2C+mutability+reflects+the+aspects+in+which+a+concept+is+flexible.+We+show+that+features+can+be+reliably+ordered+according+to+their+mutability+using+tasks+that+require+people+to+conceive+of+objects+missing+a+feature%2C+and+that+mutability+(conceptual+centrality)+can+be+distinguished+from+category+centrality+and+from+diagnosticity+and+salience.+We+test+a+model+of+mutability+based+on+asymmetric%2C+unlabeled%2C+pairwise+dependency+relations.+With+no+free+parameters%2C+the+model+provides+reasonable+fits+to+data.+Qualitative+tests+of+the+model+show+that+mutability+judgments+are+unaffected+by+the+type+of+dependency+relation+and+that+dependency+structure+influences+judgments+of+variability.+&rft.date=1997&rft.type=Preprint&rft.type=PeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F629%2F1%2Fmutability_paper9_ss.html&rft.identifier=++Sloman%2C+Steven+A.+and+Love%2C+Bradley+C.+and+Woo-kyoung%2C+Ahn++(1997)+Feature+Centrality+and+Conceptual+Coherence.++%5BPreprint%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F629%2F