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EvidenceBasedLibraryandInformationPractice2009,4.4
EvidenceBasedLibraryandInformationPractice
EvidenceSummary
WebUsabilityPolicies/Standards/GuidelinesDoNotInfluencePracticesatARL
AcademicLibraries
AReviewof:
Chen,Yu‐Hui,CarolAnneGermainandHuahaiYang.“AnExplorationintothePracticesof
LibraryWebUsabilityinARLAcademicLibraries.”JournaloftheAmericanSocietyfor
InformationScienceandTechnology60.5(2009):953‐68.
Reviewedby:
ShandraProtzko
InformationSpecialist,
TuckerMedicalLibrary,NationalJewishHealth
Denver,Colorado,UnitedStatesofAmerica
Email:protzkos@njhealth.org
Received:27July2009Accepted:29July2009
©2009Protzko.ThisisanOpenAccessarticledistributedunderthetermsoftheCreativeCommonsAttribution
License(http://creativecommons.org/licenses/by/2.0),whichpermitsunrestricteduse,distribution,and
reproductioninanymedium,providedtheoriginalworkisproperlycited.
Objective–Tosurveythecurrentstatusof
WebusabilityPolicies/Standards/Guidelines
(PSGs)foundinacademiclibrariesofthe
AssociationofResearchLibraries(ARL).
Researcherssoughttoinvestigatewhether
PSGsareinplace,thelevelsofdifficulty
surroundingimplementation,theimpactof
PSGsondesign,testing,andresource
allocation,andtherelationshipbetweenARL
rankingandusabilitypracticeorPSGs.
Design–Survey.
Setting–NorthAmerica.
Subjects–AcademiclibrariesoftheARL.
Methods–An18‐questionsurveyconsisting
ofmultiplechoice,Likertscale,andopen‐
endedquestionswassenttoall113ARL
librariesinNovember2007.Surveyrecipients
wereselectedasthepersoninchargeofWeb
siteusabilitybyvisitinglibraryWebsitesand
phoneinquiry.Thesurveywasconcludedin
January2008witharesponserateof74%(84
institutions).Theresearchersusedt‐testto
detectanydifferenceinARLlibraryranking
betweenlibrarieswithandwithoutPSGs.
Pair‐wiset‐testswereconductedtoidentify
gapsindifficultyimplementingPSGs.In
addition,theyusedPearson’sCorrelationto
investigateanysignificantcorrelations
betweenvariablessuchasARLrankand
resourceallocation.
MainResults–Ofthe84respondents,34
(40%)havegenerallibraryWebPSGsand25
(30%)havespecificusabilityPSGs;41(49%)
haveatleastonetypeofin‐libraryPSG.Ofthe
43(51%)librariesthatdonothavePSGs,30
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EvidenceBasedLibraryandInformationPractice2009,4.4
(36%)areatuniversitieswithinstitutional
WebusabilityPSGs;26(87%)followthose
guidelines.Therewasnostatistically
significantrelationshipbetweenARLranking
andPSGstatus(seeTable1).
Theauthorsaskedaboutdifficultyin
implementingPSGs.Ofthe32libraries
respondingtoaquestionaboutgenerallibrary
WebPSGs,mosthadslightormoderate
difficulty.Twenty‐threelibrarieswithspecific
usabilityPSGsidentifieddifficultylevels;
somehadnodifficulty,butamajorityhad
moderatedifficulty.Forthe26librariesusing
institutionalWebusabilityPSGs,mosthadno
orslightdifficulty.Pair‐wiset‐testsshowed
thatlibraryWebusabilityPSGswere
significantlymoredifficulttoimplementthan
universityWebusabilityPSGs.
Enforcement/agreementissueswerereported
astheprimarydifficultyinimplementingin‐
libraryPSGs.Technicalissuesandambiguity
wereobstaclesattheinstitutionallevel.More
thanhalfofthe84librarieshaveWebadvisory
committeesandaboutonethirdhaveusability
committeesorWebusabilitysubcommittees.
Severallibrariesansweredthattheyhavenone
ofthesecommittees,butindicatedthatthey
havesomesortofadhoccommitteeoruser
studygrouptoaddressusabilityissues.
Ofthe84respondents,71(85%)have
conductedusabilitytesting.Sixty‐twolibraries
(73.8%)ratedusabilitytestingasimportant,
veryimportant,orextremelyimportant:the
rategivenfortheimportanceofusability
testingdidnotcorrelatewithARLranking.
Citedmostofteninopenendedquestioning
weretheimportanceofiterativetesting,
librarywidebuy‐in,andstaffandresource
availability.Mainwebpagesweretestedmost
Table1
Libraries/universitieswith/withoutPSGs
LibraryWebPSGs
LibraryWebusability
PSGs
UniversityWeb
usabilityPSGs
No.oflibraries(%)No.oflibraries(%)No.oflibraries(%)
With34(40%)25(30%)30(36%)
Without50(60%)58(69%)31(37%)
Notsure 22(26%)
Noanswer 1(1%)1(1%)
Total84(100%)84(100%)84(100%)
frequently.Fifty‐threelibraries(74.6%)tested
theirlowerlevelpagesatleastonce.OPACs
weretestedtheleastoften.Theamountof
testingwasimpactedneitherbytheexistence
oflibraryWebPSGsnorusabilityPSGs.The
toptwotestingmethodswerein‐person
observationandthinkaloudprotocol.
Ofthe84libraries,24(28%)reportedhaving
staffdedicatedtoWebusabilityissues;twenty
full‐timestaffandfourpart‐timestaff.There
wasaweakassociationbetweenARLranking
andhoursworkedbydedicatedstaff;no
associationexistedforregularstaffwhotake
onWebresponsibilities.Fifty‐one(60%)of
librarieshadregularstaffwhoseduties
includedWebusability;forty‐sixfull‐timeand
fivepart‐time.Trainingdidnotcorrelateto
amountoftestingmethodsused.Therewasa
weaklinkbetweenALRrankingand
availabilityofresourcesand,theauthors
showed,moretestingwasdoneasresources
increased.Inresponsetoaqueryaboutfuture
Webusabilityplans,thefocuswasonusability
testingandsiteredesign,withonlythree
librariesplanningtorefineorestablish
usabilityPSGs.
Conclusion–Theauthorshypothesizedthat
“webusabilityPSGswouldinfluenceusability
practicewithinlibrariesandother
institutions”(953).ThedatashowthatPSGs
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EvidenceBasedLibraryandInformationPractice2009,4.4
69
donotinfluencepractices.Theauthors
concludethatthereisnosignificant
relationshipbetweenPSGsandtesting
practicesorPSGsandtheavailabilityof
resources.Likewise,ARLrankinghadno
effectontheestablishmentofusabilityPSGs.
Mostlibrariesareconductingusabilitytesting,
andtherewasaweaklinkbetweenARL
rankingandavailabilityoftestingresources.
Highlightedintheopen‐endedquestionsis
thelackofusabilityexpertiseamong
stakeholders.Workload,inadequatehuman
resources,andlackoforganizationalcohesion
arealsocitedasbarrierstotheadoptionof
WebusabilityPSGs.Theauthorsspeculate
thatWebprofessionalslikelyusetheirown
workingknowledgeandinternalized
guidelineswithouthavingformal
documentation.Theauthorsfurtherspeculate
thatthedifficultyrelatedtocreatingmental
modelsthatadequatelyrepresentlibrarytasks
mayhindertheuseofformalusabilityPSGs.
Additionally,librariesmaynotregardthelack
ofusabilityPSGsasaliability,especiallyin
lightofthelackofgovernmentmandatesor
standards.Theauthorsrecommend
educationaleffortsforkeyplayersonthe
valueofWebusability,supportforhiring
dedicatedstaff,andformaldocumentationto
guidedesignpractice.Theauthorsplanto
comparethecollectedPSGsinanupcoming
project.Futureresearchcouldfocusonnon‐
ARLlibraries,therelationshipbetweenPSGs
anduserexperience,andContent
ManagementSystem(CMS)usability
characteristics.
Commentary
WebusabilityPSGshelpdevelopersand
administratorscreatesiteswiththeenduser’s
needsinmind.Afocusonusabilitycanhelp
limituserfrustrationandenhancesite
functionalityandeffectiveness.Whilethere
areampledesignguidelinesintheliterature,
theauthorshighlightthelackofstudiesofthe
associationbetweenPSGsandactualpractice.
Efficiencyandfunctionalityareimportant
accessissuesandtheauthorsaskareasonable
questionabouttheimpactofusabilityPSGs,
expandingonthecurrentliterature.
Unfortunately,aspresentedinthesurvey
questionnaire,thedistinctionbetweenaWeb
sitepolicythataddressesusabilityissuesanda
specificusabilitypolicyisambiguous.Without
aclearworkingdefinitionofusability,
participantresponsesmaynotaccurately
reflectactualpractice.
Theauthorsclearlydescribethestudy
population,settinganddatacollection
methods,andtheyaccountforlimitationsof
thestudy,recognizingthatthestudyisnot
generalizable.Sincethesurveywasself‐
report,thevaliditymightbelimited;and
whilethesurveywaslong,addition
informationwouldhavebeenofbenefit.For
example,theauthorssuggestquestioningwhy
somelibrarieshavenoPSGs.The
methodologywasdescribedtoallowfor
replicationandtheresultswereclearly
outlinedandpresentedintables.Thisstudy
offersanindicationofcurrentpracticeinARL
libraries,themostprestigiouslibrariesin
NorthAmerica.
Thereissoundevidenceintheliteratureto
supporttheuseofestablisheddesign
principlesandusabilitytestingpractices.The
authorshighlightResearch‐BasedWebDesign&
UsabilityGuidelines,publishedbytheU.S.
DepartmentofHealthandHumanServices,as
oneauthoritativeresource.However,itisnot
obviousthatjustbecausealibraryhasno
formaldocumentationsupportingusability
effortsthatthoseeffortsarenotbeingmade.
ThatARLstudyparticipantsthinkusability
testingisimportant,conductsomeformof
testing,andthinkimplementingPSGsisat
leastsomewhatdifficult,suggestsaneedto
convincepeoplewhyformalPSGsare
important,ifindeed,theyare.Itseems
intuitivethatwrittenusabilityPSGswould
contributetothedevelopmentofqualityWeb
sites,andfuturestudiesmightindicateas
much.Lackofknowledgeandresourcesseem
tobethebiggestbarriers.Itisworthasking,
“Whatpoliciesorpracticesactuallyimprove
userexperience?”Whileexploratory,this
studyservesasaremindertoalllibraryWeb
EvidenceBasedLibraryandInformationPractice2009,4.4
administratorstoatleastcontinuetoask
questionsaboutusabilitypracticeand
resourceallocation.
WorksCited
UnitedStatesDepartmentofHealthand
HumanServices.Research‐BasedWeb
Design&UsabilityGuidelines.
Washington,DC:U.S.Government
PrintingOffice,2006.
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