Tuckman'sStagesmodel
BruceTuckmanreviewedaboutfiftystudiesofgroupdevelopment(includingBales'model)inthemid-sixtiesand
synthesizedtheircommonalitiesinoneofthemostfrequentlycitedmodelsofgroupdevelopment(Tuckman,
1965).Tuckman'smodelofgroupdevelopmentdescribesfourlinearstages(forming,storming,norming,and
performing)thatagroupwillgothroughinitsunitarysequenceofdecisionmaking.Afifthstage(adjourning)was
addedin1977whenanewsetofstudieswerereviewed(Tuckman&Jensen,1977).
Forming:Groupmemberslearnabouteachotherandthetaskathand.Indicatorsofthisstagemightinclude:
Unclearobjectives,Uninvolvement,Uncommittedmembers,Confusion,Lowmorale,Hiddenfeelings,Poor
listening,etc.
Storming:sgroupmemberscontinuetowork,theywillengageeachotherinargumentsaboutthestructureofthe
groupwhichoftenaresignificantlyemotionalandillustrateastruggleforstatusinthegroup.Theseactivities
markthestormingphase:Lackofcohesion,Subjectivity,Hiddenagendas,Conflicts,Confrontation,Volatility,
Resentment,anger,Inconsistency,Failure.
Norming:Groupmembersestablishimplicitorexplicitrulesabouthowtheywillachievetheirgoal.Theyaddress
thetypesofcommunicationthatwillorwillnothelpwiththetask.Indicatorsinclude:Questioningperformance,
Reviewing/clarifyingobjectives,Changing/confirmingroles,Openingriskyissues,Assertiveness,Listening,
Testingnewground,Identifyingstrengthsandweaknesses.
Performing:Groupsreachaconclusionandimplementthesolutiontotheirissue.Indicatorsinclude:Creativity,
Initiative,Flexibility,Openrelationships,Pride,Concernforpeople,Learning,Confidence,Highmorale,Success.
Adjourning:Asthegroupprojectends,thegroupdisbandsintheadjournmentphase.Thisphasewasadded
whenTuckmanandJensen'supdatedtheiroriginalreviewoftheliteraturein1977.Duringtheadjourningstage,
theleadershouldtransitionintoasupportingroleinordertoexpandtheinitiative(i.e.,createfutureleadership
opportunitiesforthegroupmembers)
Group Development Models
Lecturer: Sire U. Sakarombe