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IVCriterionofagoodlanguagetestCritics4.1.ReliabilityWouldweexpectthestudentstohavegotexactlythesamescores?Whatwehavetodois:4.1.1Definition:4.1.2Factorsthataffectreliability4.Similartestconditions(includinghealth)5.Gradingmethod4.1.3Howtomaketestsmorereliable?Comparethefollowingwritingtask:Thesuccessivetasksimposemoreandmorecontroloverwhatiswritten.ThefourthtaskislikelytobemuchmorereliableforawritingtestWheredoestheauthordirectthereaderwhoisinterestedinnon-standarddialectsofEnglish?Someanswered:P3Buttheexpectedanswer:furtherreadingsectionofthebook.4.1.3Howtomakethetestmorereliable?4.1.3Howtomaketestmorereliable4.1.4Howtoknowifthetestscoresarereliable?(coefficientofreliability)Ifonetestpaperhashighcoefficient,itcanbeusedasanequivalentforidentifyingifanothertestisreliable.(Gui:1986)Questionsforthought:
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