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1、NASANASA..........................................................*******USL/DMNASA/PCRBrD******MOWINGPAPERSERIES******ReportNumber******Dm.NASA/PCRBI-20*********............................................................TheUSL/DBMSNASA/PCR&DWorkingPaperSeriescontainsacollectio

2、nofformalandinformalreportsrepresentingresultsofPC-basedresearchanddevelopmentactivitiesbeingconductedbytheCenterforAdvancedComputerStudiesoftheUniversityofSouthwesternLouisianapursuanttothespecificationsofNationalAeronauticsandSpaceAdministrationContractNumberNASW-3846.Formorei

3、nformation,contact:WayneD.DominickEditorUSL/DBMSNASA/PCR&DWorkingPaperSeriesCenterforAdvancedComputerStudiesTJniversityofSouthwesternLouisianaP.0.Box44330Lafayette,Louisiana70604(318)231-6308(hASA-CR-184552)APBCGBABBIEGEYVJBOI8ENT189-14992EVALUATXCNEE'XHCCCLOGYPO6CEJECZ-CBXEITED

4、SYSTERSEh.DlhesisEinalBE&crt,1Jul.1485-31Dec.{taiversityofEouthwesternUnclasLcrlisiana.Lafayette.CenterfcrAdvancedG3/820183590DBMS.NASA/PCR&D-20WORKINGPAPERSERIESConsequently,theresearchpresentedinthisdocumentaddressesthedesign,development,andevaluationofasystematic,extensible,a

5、ndenvironment-independentmethodologyforthecompara-tiveevaluationofobject-orientedprogrammingenvironments.Thismethodologyisintendedtoserveasafoundationalelementforsupportingresearchintotheimpactofobject-orientedsoftwaredevelopmentenvironmentsanddesignstrategiesonthesoftwaredevelo

6、pmentprocessandresultantsoftwareproducts.Asystematicapproachisdefinedforconductingthemethodologywithrespecttotheparticularobject-orientedprogrammingenvironmentunderinvestigation.Theevaluationofeachenvironmentisbasedonuserperformanceofrepresentativeandwell-specifieddevelopmenttas

7、ksonwell-characterizedapplicationswithintheenvironment.Primarymetricsneededtocharacterizethesoftwareapplicationsunderexaminationarealsodefinedandmonitoredforsubsequentuseintheanalysisandevaluationoftheenvironments.Themajorcontributionsofthisworkareasfollows:1.Thisresearchhasform

8、allyestablishedtheprimarymetricdatadefinitionst