200531 英语测试 作业(高起本、专升本)

运程教盲字院学生考评作业运程教盲字院学生考评作业第7页共6页在您完成作业过程中，如有疑难，请登录学院网站“辅导答疑”栏13,与老师进行交流讨论!TABLEBz-ScoresCorrespondingtoCumulativeAreaProportionsoftheNormalDistributionZAieazAieazAieazAiea-4.0.0000-1.9.02870.1.53982.1.9821-3.9.0001-1.8.03590.2.57932.2.9861-3.8.0001-1.7.04460.3.61792.3.9893-3.7.0001-1.6.05480.4.65542.4.9918-3.6.0002-7.5.06680.5.69152.5.9938-3.5・0002-1.4.08080.6.72572.6.9953-3.4.0003-1.3.09680.7.75802.7.9965-3.3.0005-1.2.11510.8.78812.8.9974-3.2.0007-1.1.13570.9.81592.9.9981-3.1.0010-1.0.15871.0.84133.0.9987-3.0.0013-0.9.18411.1.86433.1.9990-2.9.0019-0.8.21191.2.88493.2.9993-2.8.0026-0.7.24201.3.90323.3.9995-2.7.0035-0.6.27431.4.91923.4.9997-2.6.0047-0.5.30851.5.93323.5.9998-2.5.0062-0.4.34461.6.94523.6.9998-2.4.0082-0.3.38211.7.95543.7.9999-2.3.0107-0.2.42071.8.96413.8.9999-2.2.0139-0.1.46021.9.97133.9.9999-2.1.01790.0.50002.0.97724.01.0000-2.0.0228Forvaluesbetweenthelistedpoints,youmayinterpolateaccordingtothefollowingexample：Problem：Findtheareaproportionforaz~scoreof1.473.Solution：zintervalareaintervalobservedzintervalTOC\o"1-5"\h\z1.5.93321.473-1.4-.9192-1.4.1.0146.073.073isto.1asXisto.0140.073=X.x=073x.0140=0102・1.0140.1.0102+.9192=.9294,correspondstoz-scoreof1.473

TABLEECriticalValuesofthePearsonProduct-MomentCorrelationCoefficient^Levelofsignificanceforone-tailedtest.05.025.01.05.025.01.005.0005Levelofsignificancefortwo-tnilcdtest.10.05.02.01.0011.9877.9969.9995.99991.00002.9000.95009S00.9900.99903.8054.8783.9343.9587.99124.7293.8114.8822.9172.97415.6694.7545.8329.8745.95076.6215.7067.7887.8343.92497.5822.6664.7498.7977.89828.5494.6319.7155.7646.87219.5214.60216S51.7348.847110.4973.5760.6581.7079.823311.4762.552963396S35.801012.4575.5324.6120.6614.780013.4409.5139.5923.6411.760314.4259.4973.5742.6226.742015.4124.4821.5577.6055.724616.4000.4683.5425.5S97.708417.3887.4555.5285.5751.693218.3783.4438.5155.5614.678719.3687.4329.5034.5487.665220.3598.4227.4921.5368.652425.3233.3809.44514S69.597430.2960.3494.4093.4487.554135.2746.3246.3810.4182.518940.25733044.3578.3932.4S9645.2428.2875.3384.3721464S50.2306.2732.321S.3541.443360.2108.2500.294S.3248.407870.1954.2319.2737.3017.379980.1829.2172.2565.2830.356S90.1726.2050.2422.2673.3375100.1638.1946.2301.2540.321113・Whatisthedifferencebetweencriterionreferencedtestandnormreferencedtest?14・Whatiscomputerizedadaptivetesting?15.Whatisitemdifficulty?Howtocomputeitemdifficulty?16.Howareitemdifficulties,discriminabilityrepresentedinitemresponsetheory?16.Howareitemdifficulties,17.Whatgeneralrelationshipexistsbetweentestreliabilityandthenumberofitemsonthetest?18・Whatdoesitmeanifwesayacorrelationcoefficientissignificantatthep<・05level?19・Whatarethesourcesofmeasurementerrorsinlanguagetest?20.Whatisthemeaningofmeasuresofdispersion?21・Listfivecommonproblemsattheitemwritingstage・Provideoneexampleofeachproblemtypeandcorrecttheitemifnecessary.22.Whatistheessentialdifferencebetweenscatterplotsoflow-correlatedvariablesandthoseofhigh~corre1atedvariables?23.Pleasecomputethecorrelationcoefficientofth己followingitEinanddeterminewhetheritissignificantonthelevelofsignificanceof〈・05?Andthendetermineitsdiscriminability・StudentNo.12345678910111213141516ItemScore2.5887.5756.573.56.5461.5534.5TestScore49689286655160/