TableofContents1.Introduction.......................................................................................................12.Methodology.....................................................................................................23.LiteratureReviewandCriticalAnalysis...........................................................43.1.TheDevelopmentofLeadershipStyle..................................................43.2.ProjectSuccessFactors..........................................................................83.3.LinkofLeadershipStyleandProjectSuccess.......................................94.Discussion.......................................................................................................115.Conclusion......................................................................................................126.Reference........................................................................................................1411.IntroductionUptonow,therearemanytheoriesofleadershipstyleareavailable,likeemotionalintelligence,contingency,competencyandsoon.Allofthemclaimthatappropriateleadershipstylecanbenefitprojectsuccess.Thisstudyaimstofindthehiddencorrelationbetweenleadershipstyleandprojectsuccess.Threeaspectsofliteratureswerereviewedincludingleadershipstyle,projectsuccessfactorsandthematchofleadershiptypeandprojecttype.Fromtheliteraturereview,itwasinterestingtofindthatleadershipwasrarelyconsideredbythecriticalsuccessfactorsoftheproject.TurnerandMuller(2005)contemplatedthatprobablytheprojectmanager’sneglectthemselvesorleadershipisnotcoveredinresearch.However,otherreviewsshowthattheeffectofmanageriscriticaltotheproject.BystudyingthemoldbuiltbyYang(2011),itislearntthatleadershipinfluencetheprojectsuccessthroughteamwork.Whilesomeofthefifteenleadershipcompetencies(DulewiczandHiggs,2003)aredirectlyrelatedtoprojectsuccessfactors.Soitisconcludedthat,inacertainprojecttype,appropriateleadershipcanimproveprojectsuccessintwoways,bothteamworkanddirectimpact.Asimplesystemdynamicmodelwasdesignedtoshowtherelationshipswithinprojectmanagement.However,therewerenoresearchesdonetoprovethisconclusion.Furtherstudyisneeded.22.MethodologyTheaimofthestudyistofindthatwhethertheprojectsuccessisinfluencedbyleadershipstyle.Torealizeit,threeobjectiveswereset:ToreviewliteratureofleadershipstyleToreviewliteraturerelatedtoprojectsuccessfactorsandthetheirlinkwithleadershipstyleToreviewliteratureabouthowleadershipstyleinfluenceprojectsuccess.Tofindthecorrelationbetweenleadershipstyleandprojectsuccessbasedliteraturereview.ThemainsearchtechniquesareGooglescholarandWebofScience.ThecrosssearchfacilityprovidedbyMcClayLibrarywastriedaswell.Keywords,projectmanager,leadershipstyle,projectsuccess,competencyschooletc.,ortheircombinationswereappliedtosearchusefulliterature.Firstly,theliteraturereviewofthistopicwrittenbyTurnerandMuller(2008)wasreadtolearnthebackgroundinformationandfindrelatedarticlesinthereferenceinthispaper.Secondly,articlesrelatedtoleadershipstylewerefoundarereviewed.Theleadershipasthecoreofthereview,deepreviewwasrequired,soveryspecificarticleswheretherewasonlyoneleadershipsystemwerestudied.Thegatheredvaluableinformationwascomparedandtabulated.Thesamedegreeofreviewwasalsoappliedtorelationpart.Whileforsuccessfactors,onlygeneralknowledgewasextractedfromliteratures.Afterfinishingthereview,theinformationwasanalyzedtoworkoutthelink3betweenleadershipskillsandgoodperformanceofskills.ThesourcesofliteraturearelistedinTable1.Table1SummaryofliteraturesSourceNumberInternationalJournalofProjectManagement4ProjectManagementJournal3JournalofOrganizationalChangeManagement1Book1043.LiteratureReviewandCriticalAnalysisInthispart,literaturerelatedtoleadershipstyle,projectsuccessandrelationshipbetweenthemarereviewed.Andbasedonthereview,analysisoftheliteraturewasmadewhereitisvaluable.Finally,personalviewpointswereconcludedfromtheliteraturereviewandanalysis.3.1.TheDevelopmentofLeadershipStyleInthepastyears,leadershiphasbeenexplainedinvariousways,whilethecoreconceptsofallthedefinitionsconcerningthecommunicationbetweenprojectleadersandtheirsubordinates(DuBrin2004;KoontzandWeihrich,1990).Andleadershipstyleisthetermdescribinghowtheleadermanagestheproject.Bynow,TurnerandMuller(2005)summarizedsixgroupsofleadershiptheories,whichhavebeentabulatedinTable2aswellastheircorrespondingrelationshipwithprojecttype.Before1940s,peopleconsideredthatleadershipwasownedbysomecertainpeoplewhowereborntobeleaders.Thisattitudewaschangedbythebehavioralorstylestheory.Thistheoryidentifiedsixparameterstoassesstheleadershipincluding(TurnerandMuller2005):concernonpeople,production,authority,participationofthedecision-makingfortheteam,decision-takingandtheflexibilityagainstrules.TheleadershipofthistheorylistedinTable2isidentifiedbasedonthelastthreeparameters(Turner1999).Thefollowingtheory,contingency,itsmostsignificantcontributionistheinceptionofconcernfordifferentcircumstances,indicatingthecorrelationofprojecttypeand5Table2SummaryofthedevelopmentofleadershipTheor