Nonword Repetition and Sentence Repetition as Clinical Markers of Specific Language Impairment： The Case of Cantonese

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1、NonwordRepetitionandSentenceRepetitionasClinicalMarkersofSpecificLanguageImpairment:TheCaseofCantoneseStephanieF.StokesSchoolofLinguisticsandAppliedLanguagePurpose:Recentresearchsuggeststhatnonwordrepetition(NWR)andsentenceStudies,UniversityofReading,repetition(SR)taskscanbeusedtodiscriminatebetwe

2、enchildrenwithSLIandReading,Englandtheirtypicallydevelopingage-matched(TDAM)andyounger(TDY)peers.Method:FourteenCantonese-speakingchildrenwithSLIand30oftheirTDAMAnitaM-Y.WongandTDYpeerswerecomparedonNWRandSRtasks.NWRofINnonwordsUniversityofHongKong(CVcombinationsattestedinthelanguage)andOUTnonword

3、s(CVcombinationsunattestedinthelanguage)werecompared.SRperformancewascomparedPaulFletcherusing4differentscoringmethods.UniversityCollegeCork,Cork,IrelandResults:TheSLIgroupdidnotscoresignificantlylowerthantheTDAMgrouponthetestofNWR(overallresultswereTDAM=SLI>TDY).TherewerenonsignificantLaurenceB.L

4、eonardgroupdifferencesonINsyllablesbutnotonOUTsyllables.TheresultsdonotsuggestaPurdueUniversity,WestLafayette,IndianalimitationinphonologicalworkingmemoryinCantonese-speakingchildrenwithSLI.TheSRtaskdiscriminatedbetweenchildrenandtheirTDAMpeersbutnotbetweenchildrenwithSLIandtheirTDYpeersmatchedfor

5、meanlengthofutterance.Conclusions:SRbutnotNWRdiscriminatesbetweenchildrenwithSLIandtheirTDAMpeers.PoorerNWRforEnglish-speakingchildrenwithSLImightbeattributabletoweakeruseoftheredintegrationstrategyinwordrepetition.Furthercross-linguisticinvestigationsofprocessingstrategiesarerequired.KEYWORDS:lan

6、guagedisorders,childrenverthelasttwodecadesresearchhasconsistentlyshownthatOEnglish-speakingchildrenwithspecificlanguageimpairment(SLI)scoresignificantlylowerthantheirage-matchedtypi-callydevelopingpeers(TDAM)andlanguage-matchedtypicallydevel-1opingpeers(TDLM)ontestsofworkingmemory.Researchhasfocu

7、sedonbothphonologicalworkingmemory—forexample,nonwordrepeti-tion(NWR;Dollaghan&Campbell,1998;Gathercole&Baddeley,1990)andsentencerepetition(SR;e.g.,Kamhi&Catts,1986)—andfunc-tionalworkingmemoryviatestsofsimultane