?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Prior+Cognitive+Task+Analysis+of+Test+Item+Difficulty&rft.creator=Shao%2C+Z.+F.&rft.creator=Yu%2C+L.&rft.subject=Applied+Cognitive+Psychology&rft.description=The+pass+rate+of+a+test+item+often+serves+as+an+index+of+its+difficulty.+This+posterior+index%2C+though+easy+to+obtain+and+definite%2C+is+susceptible+to+students'+learning+level.+It+cannot+play+a+leading+role+in+designing+test+items.+The+present+research+tried+to+design+a+prior-to-test+index+of+test+item+difficulty.+According+to+the+principles+of+cognitive+task+analysis%2C+a+frame+and+a+procedure+to+be%0D%0Astrictly+executed+were+mapped+out+for+the+prior+assessment+of+higher+mathematics+test+items.+Taking+into+account+the+characteristics+of+math+problems%2C+we+designed+such+indexes+as+number+of+elements+in+a+problem%2C+element+identification+difficulty%2C+number+of+principles+used+in+answering%2C+principle+identification+difficulty+and+cognitive+load.+The+results+show+that+prior+difficulty+is+most+significantly%0D%0Acorrelated+with+the+pass+rates+of+math+test+items.+High+correlation+also+exists+among+sub-indexes+in+assessment+and+among+evaluators%2C+indicating+sufficient+validity+and+reliability+of+the+prior+assessment+method+developed+by+the+present+reseach.&rft.date=2008-05-01&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F5666%2F1%2F2008%25E8%25AF%2595%25E9%25A2%2598%25E9%259A%25BE%25E5%25BA%25A6%25E7%259A%2584%25E4%25BA%258B%25E5%2589%258D%25E8%25AE%25A4%25E7%259F%25A5%25E4%25BB%25BB%25E5%258A%25A1%25E5%2588%2586%25E6%259E%2590.pdf&rft.identifier=++Shao%2C+Z.+F.+and+Yu%2C+L.++(2008)+Prior+Cognitive+Task+Analysis+of+Test+Item+Difficulty.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F5666%2F