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1、Instruction,evaluationandcertificationinwebbasedinstruction(下)TheeasiestandtheearliesttechniqueistheimplementationoftestingthroughHTMLpages.Inthisimplementation,thequestionispresentedonaaterialoraquestion.Thelinkedpageethodofputingthescoreanddisplayingit.Themainadvantageistheimplementationsimpli
2、cityandthefacilitytokeepcountofthescore.Thesystemdoesprovideahigherlevelofsecurityasthestudenthasnopriorideaoftheresultortheconsequencesofselectionofachoice.Itispossibletoputethescoreanddisplayitforeverychoice.Sincethequestionisonaeconsuming.Sinceactiveareasarelinkedtotheresponsessuchassingleans
3、ultiplechoice,truefalse,andpointing.ThesecondandthemostethodforLformsandCGI-pliantevaluationscripts.Itiscurrentlybeingusedinanumberofmercialanduniversity-grosandtestdevelopmentisrelativelysimpleandcanbedoneformatthroughHTMLandthenprocesstheinformationcapturedthroughform,usingCGIscripts.Theproces
4、singcanbeassimpleasparingaofHTMLformandrespondstoitbyfillingappropriatespacesontheform.Ldocument,theilartotheonesprovidedbyformandCGIscript.Hominglanguage,supportsmoreadvanced,openended,andinteractivequestions.UnlikeformandCGIscript,JavaScriptquestionodeasthequestiontext,informationneededtoevalu
5、atethequestionandtoprovidefeedback,andtheevaluationprogramebundledtogetherasasingleunit,ationofthetestandsolutions.UsingClient-sideJavaScript,itisnotpossibletorecordstudentgrades.HenceJavaScriptplementself-assessmentteststhanforgradingtests.Abinationofclientsideprogrammingthatprovidesthenecessar
6、yflexibilityinchoosingavarietyofinteractivequestions,andserversideprogrammingtheserver.ThefifthtechniqueistomakeuseofJava.SinceJavaisapleteprogramminglanguageindependence,Javabinesthebestfeaturesofform/CGIShockoothmunicationbetsolvingetc.cannotbehandledbyanyoftheabovetechniqueseasily.Insuchsitua
7、tionsthefollomarksthequestionsthatrequiretheattentionoftheteachersandinformsthem.Itcorrectstherestofthequestions.Hoberofstudents,theprocessbeesverytaxingforanyteacher.Inthesecondapproach,theansberofpeersalongarks.Foreverymis
