?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Is+Abstraction+a+Kind+of+Idea+or+How+Conceptualization+Works%3F&rft.creator=Clancey%2C+William&rft.subject=Applied+Cognitive+Psychology&rft.description=In+this+commentary%2C+I+review+papers+by+Ohlsson+%26+Regan+(O%26R)%2C+van+Oers%2C+and+Dreyfus%2C+Hershkowitz%2C+%26+Schwarz+(DH%26S).+The+papers+are+nominally+about+abstraction+and+learning%2C+but+emphasize+different+kinds+of+problems+and+levels+of+analysis.+O%26R+focus+on+mathematical%2C+%C2%93domain+independent%C2%94+characteristics+of+abstract+thinking%2C+claiming+that+experience+in+a+domain+is+not+the+main+determinant+of+scientific+discovery.+van+Oers+focuses+on+the+development+of+abstraction+within+activities%2C+especially+as+a+sequence+of+nested+domains+of+concern.+DH%26S+emphasize+how+nested+conceptualizations+co-define+and+provide+meaning+for+each+other+(a+dialectic+relation).&rft.date=2001-03&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F1988%2F3%2FCSQCommentaryClancey.pdf&rft.identifier=++Clancey%2C+William++(2001)+Is+Abstraction+a+Kind+of+Idea+or+How+Conceptualization+Works%3F++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F1988%2F