?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=The+Experimenter's+Expectancy+Effect%3A+A+Meta-experiment&rft.creator=Chow%2C+Siu+L.&rft.subject=Cognitive+Psychology&rft.subject=Philosophy+of+Science&rft.description=The+claim+that+the+outcome+of+an+experiment+may+be+determined+by+what+its+experimenter+expects+to+obtain+was+empirically+assessed+with+a+meta-experiment.+Three+groups+of+experimenters+were+asked+to+conduct+Rosenthal+%26+Fode's+(1963a)+photorating+task+under+two+conditions+which+jointly+satisfied+the+formal+requirement+of+an+experiment.+The+three+groups+of+experimenters+were+given+different+information+about+the+expected+outcome.+There+was+no+evidence+of+experimenter's+expectancy+effect+when+it+was+properly+defined+in+terms+of+the+difference+between+the+two+conditions.+Some+issues+raised+by+Rosenthal+%26+Fode's+(1963a)+study%2C+in+its+capacity+as+evidence+for+the+experimenter's+expectancy+effect+in+particular%2C+are+examined.+Also+discussed+are+a+few+metatheoretical+issues%2C+as+well+as+some+pedagogical+implications%2C+of+accepting+uncritically+experimenter's+expectancy+effect.&rft.date=1994&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F825%2F1%2FEEEDOCg.htm&rft.identifier=++Chow%2C+Siu+L.++(1994)+The+Experimenter's+Expectancy+Effect%3A+A+Meta-experiment.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F825%2F