()19984(IRT)(CTT),,,,,,,,,CTT(ClassicTestTheory),CTT,,,,,,IRT(ItemResponseThe2ory)1952,,,IRTIRT,IRT,,,IRTCTT,,CTTIRT(),,CTTIRTCTT,(),:X=T+eX,T,eIRT,,,(,),IRT,IRT-CTT,IRT:-;-,;IRT,(),,CTTIRTCTT,,,IRTCTT,47©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(P)(D)P=RöN,,R,P;,,PD,,,,D;,D,CTTIRT,,,-H,CTT,,,IRT,,,(CTTP,,),IRT,,,,,,,CTT,,,,,CTT,,,,,-,,,IRT,,,(),,,,;,,,,,,IRT,,,,,CTTCTT(),,,,,IRT,,CTT,,,,,,,IRTH,H,P(H),HP,,57©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,),,,I(H,Y)HY,,,,CTTCTT,,CTTIRTH,,,CTT,,IRT(,),CTTP,,;,P,,,IRT,:,,,,,IRT,CTT-,IRT,,,CTT;IRT,-,,IRT,,IRT,,CTTIRT,;,,,;,CTT,,,CTTIRTCTT,IRT,IRT,,,CTT,,CTT,IRT,?,CTTIRT,,,CTT,IRT,,CTTTIRTH,,,,(1980),,,CTTIRTaiQi1-Qi2,aiIRT,QiCTTi;,67©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(Qi)ö(-Qi),biIRTi,5-1(Qi)ZZ,Z,Pi,PiCTTIRT,,,,CTT,IRTIRT,,,,,,IRT,,,,LOGIST,1000,40;BI2CALRash;BILOG,,,IRTCTT,IRTCTT,,,IRT,,,IRT;,,,,,IRT,,,,,,IRT,IRT,,IRT,,H,,,,IRTIRT,,,IRT,CTT,,,,,,IRT,,,IRTCTT,IRT,,,,:LindaCrocker&JamesAlgina(1986).Intro2ductiontoClassicalandModernTestTheoryNewYork:Holt,RinchartandWinston.:,,1987:,,1987:,,1989:,,1989CharlesL.Hulin,FritzDrasgrow&CharlesK.Parsons:-,,1990:,,1992:,,1992:,,1995:()77©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.