?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Statistics+and+Its+Role+in+Psychological+Research&rft.creator=Chow%2C+Siu+L.&rft.subject=Cognitive+Psychology&rft.subject=Philosophy+of+Science&rft.description=How+one+may+use+descriptive+statistics+to+give+a+succinct+description+of+research+data+is+first+discussed.+The+probability+basis+of+inferential+statistics%2C+namely%2C+the+random+sampling+distribution+of+the+test+statistic%2C+is+then+introduced.+The+said+sampling+distribution+is+used+to+introduced+the+null-hypothesis+significance-testing+procedure+(NHSTP).+The+emphasis+on+'procedure'+serves+to+highlight+the+fact+that+significance+tests+are+about+data%2C+not+about+the+substantive+hypothesis.+The+distinction+is+made+between+(a)+the+statistical+alternative+hypothesis+(H1)+and+the+substantive+hypothesis%2C+(b)+using+NHSTP+to+test+whether+or+not+chance+is+responsible+for+the+data+and+using+the+embeddding+conditional+propositions+to+corroborate+the+theory.+NHSTP+serves+to+supply+the+minor+premise+for+the+theory-corroboration+procedure.+Some+conceptual+difficulties+with+effect-size%2C+statistical+power+and+meta-analysis+are+also+discusse&rft.date=2002&rft.type=Other&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F2782%2F1%2FEOLSSsta.pdf&rft.identifier=++Chow%2C+Siu+L.++(2002)+Statistics+and+Its+Role+in+Psychological+Research.+++++(In+Press)++&rft.relation=http%3A%2F%2Fcogprints.org%2F2782%2F