?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Towards+a+Law+of+Invariance+in+Human+Concept+Learning&rft.creator=Vigo%2C+Professor+Ronaldo&rft.subject=Applied+Cognitive+Psychology&rft.subject=Cognitive+Psychology&rft.subject=Artificial+Intelligence&rft.subject=Complexity+Theory&rft.subject=Machine+Learning&rft.subject=Perceptual+Cognitive+Psychology&rft.subject=Logic&rft.subject=Psychophysics&rft.description=Invariance+principles++underlie++many++key+theories+in+modern+science.+They+provide+the+explanatory+and+predictive+framework+necessary+for+the+rigorous+study+of+natural+phenomena+ranging+from+the+structure+of+crystals%2C+to+magnetism%2C+to+relativistic+mechanics.++Vigo+(2008%2C+2009)introduced+a+new+general+notion+and+principle+of+invariance+from+which+two+parameter-free+(ratio+and+exponential)+models+were+derived+to+account+for+human+conceptual+behavior.+Here+we++introduce+a++new+parameterized+%0D%0Aexponential++%E2%80%9Claw%E2%80%9D+based+on+the+same+invariance+principle.+The+law+accurately+predicts++the++subjective+degree+of+difficulty+that+humans+experience+when+learning+different+types+of+concepts.+In+addition%2C+it+precisely+fits+the+data+from+a+large-scale+experiment+which+examined+a+total+of+84+category+structures++across+10+category+families+(R-Squared+%3D.97%2C+p+%3C+.0001%3B+r%3D+.98%2C+p+%3C+.0001).+Moreover%2C+it+overcomes+seven+key++challenges+that+had%2C+hitherto%2C+been+grave+obstacles+for+theories+of+concept+learning.&rft.publisher=Cognitive+Science+Society+&rft.date=2011-07&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F7960%2F7%2FVigo%2520%25282011a%2529.pdf&rft.identifier=++Vigo%2C+Professor+Ronaldo++(2011)+Towards+a+Law+of+Invariance+in+Human+Concept+Learning.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F7960%2F