计算机专业文献翻译对程序课程的一个可靠的考试系统的评估Word格式.docx

计算机专业文献翻译对程序课程的一个可靠的考试系统的评估Word格式.docx

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forProgrammingCourses

Torbj?

rnJonsson,PouriaLoghmaniandSiminNadjm-Tehrani

DepartmentofComputerandInformationScience

Link?

pingUniversity,Sweden

{torjo,poulo,simin}@ida.liu.se

Abstract

Thispaperdescribesourexperiencewithanauthenticexaminationsystemforprogrammingcourses.Webrieflydescribethearchitectureofthesystem,andpresentresultsofevaluatingthesysteminrealexaminationsituations.Someofthefactorsstudiedindetailaretheon-lineinteractionsbetweenthestudentsandexaminers,theresponsetimesandtheireffectsonthepressureexperiencedbystudent,theacceptanceofthemethodamongthestudents,andwhethertheexaminationformisgender-neutral.

Introduction

Asexperiencedteachersinprogrammingcourseswehavenoticedthedrawbacksinthetraditionalexaminationformusedinprogrammingcourses.Thestudentslearntoprogramvialaboratoryexercises,butthefinalevaluationoftheirabilitiesandthegradingoftheexaminationareinaformthatusespaperandpeninsteadofcomputers.Consideringthatthestudentwillneverusethismodeforproducingaprogramthroughtheprofessionallife,weconsiderthistobenotasuitablemethod.

AttheDepartmentofComputerScienceatLink?

pingUniversity12fundamentalprogrammingcoursesforapproximately1000studentsindifferenteducationalprogramsaretaughtannually.Thispaperdealswithanewpedagogicalviewintheseprogrammingcourses,whichcanbeappliedtoanyprogramminglanguage,typeofstudentandeducationalprogram.Theideaisbasedonextensivestudiesarounddifferentexaminationforms,whereindividualgrading,efficientandusefulfeedbackandtheauthenticityoftheexaminationformareusedasbasiccriteriaforthechoiceofexaminationmethod.Webelievethatthechoiceofmethodtogetherwiththeaddedefficiencyintheassessmentprocessimprovesthequalityofourstudyprogrammes.Inparticular,webelievethatitwillchangetheexaminationprocessfromasummativetoanormativeassessmentoccasion[1].

Foranumberofyearswehaveexperimentedwithtestingthestudentsviacomputer-aidedexaminationsinsomepilotcourses-anauthenticexaminationformforthistypeofcourse.However,thisexaminationformhasnotbecomemorewidespreadduetoinsufficientsupportforthe

computerenvironmentnecessaryforthiskindofexamination.Duringthepastyearanewauthenticexaminationsystem（AES）hasbeendeveloped,whereallthestudentsandtheexaminingteachersareconnectedtothesamesystem.Theprocess,includingcommunicationandgrading,issupportedbythisenvironment.Inthispaperwedescribetheexaminationsystemandourinitialevaluationsofthissysteminanumberofrelativelylargeexaminationsessions.ThecoursesinquestioncoveredprogramminginAdaandweretakenbyfirstandsecondyearstudents.

DuringthepastyearwehaveevaluatedtheAES.Theinstrumentsusedfortheevaluationconsistedofquestionnairesfilledby231studentsoveraperiodof3monthsand4examinations.

Thepaperisorganisedasfollows.Insection1wedescribewhythetypeofexaminationweproposeisthemostappropriateforprogrammingcoursesandcomparetosomerelatedsystems.Section2includesabrieftechnicaldescriptionoftheexaminationsystems,includingitsarchitecturaldesign.Insection3wedescribehowthecomputersystem,thatmanagestheexaminationprocesson-line,hastobeaugmentedbyrulessetupineachparticularcourse.Section4coversourevaluationmethodsandisfollowedbyevaluationresultsinsection5.Section6concludesthepaper.

1Examinationforms

Everyexaminationmethodhasspecificcharacteristicsthatmakeitmoreorlessappropriatetoaparticularcoursesetting.H?

kanOswaldssonstudiedtherangeofpossibleexaminationformsforatypicalprogrammingcoursepriortothedevelopmentofthecurrentexaminationsysteminourdepartment[5].Whileseveralmodesofexaminationcanbeconsideredaseffectivemeansforenhancedlearning（e.g.homeassignments,oralexaminationsfollowingadesignassignment,etc）,therearenotmanyexaminationtypesthatcombinetheneedforasummativeassessment,withadequatefeedbacktoinducelearning.Combinedwiththelargenumberofstudentsthatwearecurrentlyteaching,designofanidealexaminationsettingisatrulychallengingtask.

TheworkbyDawson-Howeisanearlyattempttobringcomputersupportintotheprocessofprogrammingassignmentevaluationandadministration[2].Theneedforautomatedexaminationsystemshasbecomemorepertinentduringthelate90'

swiththeadventofdistanceandlifelonglearning.Forexample,attheOpenUniversityinUKtherehavebeenattemptstoexchangestudentassignments,andtheir（subsequent）correctionandassessmentbyexamin