最新A Systematic Review of Cross- vs. Within-Company Cost Estimation 教学讲义ppt课件.ppt

《最新A Systematic Review of Cross- vs. Within-Company Cost Estimation 教学讲义ppt课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、ASystematicReviewofCross-vs.Within-CompanyCostEstimationOutlineMotivationObjectiveMethodResearchQuestions,Population,Intervention,OutcomeSearchStrategyusedforPrimaryStudiesInitialSearchPhaseSecondarySearchPhaseStudySelectionCriteriaandProceduresforIncludingandExcludingPrimaryStudiesStud

2、yQualityAssessmentChecklistsDataExtractionStrategyResultsConclusions2MotivationContradictoryresultsastotheapplicabilityofcross-companymodelstoestimateeffortforsinglecompanyprojects3Method:ResearchQuestionsSecondaryquestion:Question3Whichestimationmethod(s)werebestforconstructingcross-co

3、mpanyeffortestimationmodels?Notdiscussedinthepaperduetolackofspace7Population:cross-companybenchmarkingdatabasesofWebandsoftwareprojectsIntervention:effortestimationmodelsconstructedfromcross-companydata,usedtopredicteffortforsinglecompanyprojectsComparisonIntervention:effortestimationm

4、odelsconstructedfromthewithin-companydataonlyOutcome:theaccuracyofthecross-andwithin-companymodelsMethod:Population,Intervention,Outcome8SearchStrategyusedforPrimaryStudiesThesearchtermsusedinourSystematicReviewwereconstructedusingthefollowingstrategy:Derivemajortermsfromthequestionsbyi

5、dentifyingthepopulation,interventionandoutcome;Identifyalternativespellingsandsynonymsformajorterms.Wealsoincludedtermsidentifiedviaconsultationswithexpertsinthefieldand/orsubjectlibrarians;Checkthekeywordsinanyrelevantpaperswealreadyhave;UsetheBooleanORtoincorporatealternativespellings

6、andsynonyms;UsetheBooleanANDtolinkthemajortermsfrompopulation,interventionandoutcome.9Thecompletesetofsearchstringswas:(softwareORapplicationORproductORWebORWWWORInternetORWorld-WideWebORprojectORdevelopment)AND(methodORprocessORsystemORtechniqueORmethodologyORprocedure)AND(crosscompany

7、ORcrossorganisationORcrossorganizationORcrossorganizationalORcrossorganisationalORcross-companyORcross-organisationORcross-organizationORcross-organizationalORcross-organisationalORmulticompanyORmultiorganisationORmultiorganizationORmultiorganizationalORmultiorganisationalORmul