?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=On+the+Conservation+of+Physical+Quantities&rft.creator=Snyder%2C+Douglas+M.&rft.subject=Cognitive+Psychology&rft.description=Certain+transformations+of+isolated+physical+systems+underlying+various+conservation+laws+in+physics+are+noted.+As+regards+each+of+these+transformations%2C+there+is+a+theoretical+action+that+is+equivalent+to+a+matched+physical+action+on+the+system.+Evidence+supporting+this+thesis+is+found+in+experimental+psychological+research+where+results+of+various+experiments+allow+that+the+imagined+rotation+of+an+object+is+analogous+to+a+physical+rotation.+The+conservation+laws+based+on+the+transformations+noted+are+theoretical+or+mental+in+nature+to+the+same+extent+that+they+are+physical.+When+one+of+the+conservation+principles+noted+is+tested+by+carrying+out+the+relevant+transformation+on+the+system%2C+this+test+is+essentially+one+of+the+influence+of+mental+activity+on+physical+reality.&rft.date=1985&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F836%2F3%2Fconser.pdf&rft.identifier=++Snyder%2C+Douglas+M.++(1985)+On+the+Conservation+of+Physical+Quantities.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F836%2F<script src='//archive-bar.soton.ac.uk/archive-bar.js'></script>