It’sallaboutengagementwithtexts– Empirical findingsaboutpromotingstudents’reading comprehensionbywell-structuredtexts AnkeSchmitz,CarolineSchuttkowski, BjoernRothstein,&CorneliaGraesel InternationalLiteracyAssociation,Boston,MA 2016-07-09,3-4pm 16-07-05 Whoarewe? AnkeSchmitz(post-doc) Caroline Schuttkowski(PhD-Student) Bjoern Rothstein(fullprofforGermanlinguistics) Cornelia Graesel(fullprofforlearning&instruction) UniversityofCologne UniversityofBochum(RuhrValley) UniversityofWuppertal 16-07-05 2 Outline 1. Researchinterestsandwrap-upoffindings 2. Brieftheoreticalbackground 3. Empiricalstudies Methods,instrumentsandfindingsindetail +Discussionabouttest-material(texts),insightintothinkaloud-protocols 4.Implicationsforschoolandfutureresearch 16-07-05 3 1.Researchinterests • Improvingcomprehensibilityofschooltextswithtextcohesion • Consideringtheneedsofstudents:differentiatedhandlingof textswithrespecttostudents‘engagement • Analyzingwhatengagedreadingwithrespecttospecifictext structurescharacterizes • Searchingfornewwaystoimprove(strategic)reading instructionatschool 16-07-05 4 1.Scopeofempiricalstudies Effectsoftext cohesion Students‘handling of cohesivetexts Students‘abilities and expectations Fig.1:Heuristicmodelofreadingcomprehension (RANDReadingStudyGroup;Sweet&Snow2002) 16-07-05 5 1.Studies (1) Effects textcohesiononreading comprehension,whenstudentseither expectanexpositoryor anarrativetext (2) Differentiated analysisofcohesionin expositorytexts (3) Handlingoflessormorecohesivetexts (process-oriented approach) 16-07-05 Experiments: iv:textversions dv:comprehensiontests Thinking-aloud-study: comparison oftexts 6 1.Centralfindings • Specificengagementwithrespecttostudents’expectations abouttypesoftexts(narrativevs.expository) • Somecohesionmarkersareveryeffective,someare interpretedasdisturbing,but noreversecohesioneffect is existentin9th graders • Engagedstudentshavemorepriorknowledge,more readingskills,moreknowledgeabouttextstructures 16-07-05 7 2.Whatistextcohesion? Textcohesionrunslikea“redthread”throughatext. 16-07-05 8 2.Textcohesion Grammatical,lexicalandsyntacticalelementswhichconnect textsegments,sentences,paragraphsetc.(deBeaugrande & Dressler 1983;Halliday&Hasan1976). Localcohesion Globalcohesion connectsadjacentsentences connectslargerpartsofatext § § § § 16-07-05 pronominalreferences adverbs conjunctions tenses § § § § nominalreferences headlines visual markers(paragraphs) deicticdevices 9 2.Functionofcohesionforcomprehension Cohesionmarkershelpreaderstoorientatthe topiccomment structure duringcomprehension (Kintsch,1998). Whatisalreadyknownandwhatisnew?Whereisthenext importantinformationinthetext? Cohesionfosterstheintegrationoftextsegmentswithprior knowledge=deepunderstandingoftextsandlearning(ibid). 16-07-05 10 2.Readingcomprehension&engagement Comprehension isacomplexinteractionbetweenreader characteristicsandtextfeatures (Graesser &Britton,1996;Kintsch, 1998;Schnotz,1994;vanDijk&Kintsch,1983). “Engagedreaders…(are) motivated toreadforavarietyof personalgoals,strategicinusingmultipleapproachesto comprehend,knowledgeable intheirconstructionofnew understandingfromtext,andsociallyinteractiveintheir approachtoliteracy” (Guthrieetal.,1996). 16-07-05 11 2.Readingachievement– selectedaspectscausing moreorlessengagement Text features Achievement Reading instruction Fig.2(adaptedfrom:Guthrie&Wigfield,2000,p.410). 16-07-05 12 2.Empiricalevidence Cohesionisnotprofitableforallreaders(McNamara&Kintsch, 1996;O‘Reilly&McNamara,2009). Studentswithfewpriorknowledgeprofitmorethanstudents whohavemorepriorknowledge (McNamara&Kintsch,1996) à Thelatterachievebetterunderstandingwithincohesivetexts „reversecohesioneffect“ Readingskillsandstrategiescanbeprofitableformakinguseof cohesionmarkers(Voss&Silfies,1996;Kintsch&Kintsch,1995). Genreexpectations(merelycausedbyinstructions)trigger differentprocessingmodesevenifthetextsaresimilar! (vanDijk &Kintsch,1983;Zwaan,1994,1996) 16-07-05 13 3.Studies (1) Effects oftextcohesiononreading comprehension,whenstudents either expectanexpositoryor a narrativetext (2) Differentiated analysisofcohesion inexpositorytexts (3) Handlingoflessormorecohesive texts 16-07-05 Researchquestions Howdodifferentformsoftext cohesion(localcohesion and/orglobalcohesion)affect readingcomprehension? …whenstudentsexpect eitheranarrativeoran expositorytext? …whenstudents’abilities areconsidered? Whatdostudentsthinkabout textswithdifferentdegreesof textcohesion? 14 3.1Method Designà 4textversionsand2expectations Demograpficdata Cohesion Genre instruction (N =754,9thgrade) Expository G+ L+ Exp G- L+Exp G+ L- Exp G- L- Exp Narrative G+ L+Nar G- L+Nar G+ L- Nar G- L- Nar Tab.1:4x2-Design. Expository instruction Narrative instruction Procedure Pleasereadtheinformativenewspaperarticle „News fromKenya“(fromFrankfurtPress,No.126,01.June 2006).Afterwards,pleaseanswerthecomprehension questionsaboutthenewspaperarticle. Pleasereadapartofthestory„AstoryaboutKenya“. Afterwards,pleaseanswerthecomprehension questionsaboutthestory. Tab.2:Writteninstruction. Topicknowledge, readingabilities Reading(1of4text versions) Comprehensiontest (15Items,M =7.32, SD =3.21) 15 3.1Readingtexts Topic:aboy‘sexperiencewhileparticipatinginadevelopmental projectinAfrica Cohesion Local Global 16-07-05 No. Increaseoftextcohesion 1 Addingconnections(conjunctionsandadverbs) 2 Replacingpronounswithnouns 3 Addingdeicticconnectionsbetween paragraphs 4 Clarifyingmacropropositionswithsummarizing sentences 5 Addingheadlinesandparagraphs 16 3.1What’syouropinionaboutthetextversionsand instructions…? Mini-questionnaire:Estimateyouwerea15years-old student…J Whatdoyoufeelwhenyoureadtheexpositoryorthenarrative instruction?Whichtypeoftextwouldyouliketoreadmore? Whichtextgenreisappropriateforthepresentedtext?Who wouldassignthistexttobeanarrativeoranexpositorytext? Aredistinctgenreexpectations(narrativevs.expository) possible? 16-07-05 17 3.1Results ANOVA(G+/G-;L+/L-;Exp/Nar) X Three-wayinteraction:(F (1, 753) = < 1,n.s.) X Interactionoflocalcohesionwithgenreexpectations: (F (1, 753) = < 1,n.s.) X Interactionoflocalcohesionwithglobalcohesion: (F (1, 753) = < 1,n.s.) X Maineffectofcohesion:(F(1,753)=3.49,n.s.) ü Interactionofglobalcohesion withgenreexpectations: (F(1,753)=5.13,p <.05,partialη²=0.01) (Schmitz,Graesel, &Rothstein,underreview) 18 3.1Results Comprehension 8.00 7.60 7.20 Expository expectation 6.80 Narrative expectations 6.40 6.00 t(1, 379) 4.02, p <.001 Degreeofcohesion Fig.3:Effectsoftextcohesionandgenreexpectationsofreading comprehension(Schmitz,Graesel,&Rothstein,underreview). 19 3.Studies (1) Effects oftextcohesiononreading comprehension,whenstudents either expectanexpositoryor a narrativetext (2) Differentiated analysisofcohesion inexpositorytexts (3) Handlingoflessormorecohesive texts 16-07-05 Researchquestions Howdodifferentformsoftext cohesion(localcohesion and/orglobalcohesion)affect readingcomprehension? …whenstudentsexpect eitheranarrativeoran expositorytext? …whenstudents’abilities areconsidered? Whatdostudentsthinkabout textswithdifferentdegreesof textcohesion? 20 3.2Method Designà 2textversions Cohesion Expositorytext Globally cohesive Globally incohesive Tab.3:1x2-Design. Assessmentofreadersabilities - Topicknowledgetest(5Items, Cronbachs-alpha:.71) - Standardizedreadingabilitytest - Questionnaireabouttopicinterest (likert-scale;Cronbachs-alpha:.82) Procedure Demographic data (N =741,9thgrade) Topicknowledge, readingabilities, interest Readingof1of2text versions Comprehensiontest (9Items,M =10.20, SD =4.31) 21 3.2Textbase • Topic:Africa’seconomicdevelopment inthe21stcentury (subtopics:educationalsystem,unemployment, poverty, UNSECOaid) • Relevantcontentforcurricularlearningin9thclass,e.g. politics,socialstudies • informationaltextofaboutonepage 16-07-05 22 3.2Globalcohesionmanipulation(example) Flourishing economy TheOrganizationforEconomicCooperationandDevelopment(OECD) asserted anastonishingincrease in theeconomicgrowthfor Africa in 2004.Theaverageglobal development wassetat4.1%.2007 Africa‘seconomicgrowthissaidto beat5.7%andinoilrichcontriesto increaseupto8%.Inotherwords: Africa‘seconomygrowsstronger thantheglobaleconomy. (nextparagraph) Addingtopicheaders Addingnominalreferences(repetition ofnouns) Summarizing centralaspectstoavoid misunderstanding Visualizing paragraphs (Schmitz,2016) 16-07-05 23 3.2Comprehensionquestions(example) Searchingand extracting Information • MC-questions • e.g.:Whatforis developmentalaid inAfrica necessary? (1)healthsystem (2)environment (3)education (4)infrastructure Combination and interpretation Reflectionand evaluation • Semiopen questions • Open-ended questions • e.g.:Whyandfor whomisaprice reductionofraw material problematic? • e.g.:Explainin whichway industrialcountries causeproblemsin developing countries? (Schmitz,2016) 16-07-05 24 3.2Results ✗ Nothree-wayinteractionbetweenglobalcohesion,priorknowledgeandreadingabilities(t(7, 740) = -3.38, n.s.) ✗ Notwo-wayinteractionsbetweenglobalcohesionandprior knowledge(t41, 740) = -1.37, n.s.)orreadingabilities(t(4, 740) < 1, n.s.) ü Maineffectofglobalcohesion oncomprehension (t(3,740)= 8.75,p <.001);Cohensd=0.63 16-07-05 25 3.2Maineffectofglobalcohesion Comprehension K:Knowledge 15.00 R:Readingability 13.00 11.00 9.00 Globally cohesive 7.00 Globallyincohesive 5.00 16-07-05 Readers’ abilities K (M- 1SD) K (M - 1SD) K (M +1SD) K (M +1SD) R (M - 1SD) R (M +1SD) R (M - 1SD) R (M +1SD) 26 3.2Briefsummary • Readers’achievement dependsoncentralaspectsof engagement:priorknowledge,readingabilities,genre expectations • Readers’engagementinfluencestheprocessingoftextcohesion But:gapbetween betterandworsereaderscannotbereduced withcohesion(Matthew-effect) (seealso:Schmitz&Graesel, 2016; Rothsteinetal.,2014) Openquestion:Whatdostudentsreallythinkaboutcohesive orlesscohesivetexts? 16-07-05 27 3.Studies (1) Effects oftextcohesiononreading comprehension,whenstudents either expectanexpositoryor a narrativetext (2) Differentiated analysisofcohesion inexpositorytexts (3) Handlingoflessormorecohesive texts 16-07-05 Researchquestions Howdodifferentformsoftext cohesion(localcohesion and/orglobalcohesion)affect readingcomprehension? …whenstudentsexpect eitheranarrativeoran expositorytext? …whenstudents’abilities areconsidered? Whatdostudentsthinkabout textswithdifferentdegreesof textcohesion? 28 3.3Handlingofmoreorlesscohesivetexts: findingsofathinking-aloud-study • Thinking-aloud-method wasdeveloped basedonthetechniques ofprotocolanalysesbyEricsson&Simon(1980,1993) • Methodinvolvesparticipantsthinkingaloudwhileperforminga setofspecifictasks(Boren&Ramey,2000;Somerenetal.,1994) • Verbalizingofthoughtsgivesinsightintoparticipants’cognitive processesà Howdostudentshandlemoreorlesscohesive textswhencomparingtwotextsinlanguageandstructure? 16-07-05 29 3.3Method Procedure design à 2textversions Cohesion expositorytext (newspaper report) locallycohesive (temporal cohesion) lesscohesive (temporal cohesion) Tab.3:2-factorialdesign. Task/instruction: “Please read the two following texts A and B carefully and compare the sentences. Do you notice any differences in language and structure? Please refer to them.” Demographic data (N =57,9thgrade) readingabilities (standardizedtest) readingandcomparingof2 textversionsbythinkingaloud(audio-recorded) transcribingandanalyzing thinking-aloud-protocols 30 3.3Localcohesionmanipulation: temporaladverbsanddifferenttenses Cohesivetext LastSaturday,theresidentsofMedfield Street/ParkStreethadanunpleasant surprise.Theworkersofthecommunity wastedisposalwerewonderingalittle laterastheywantedtoemptythetrash cans:Theyhadalreadybeenemptied. Instead,thestinkinggarbagewas scatteredankle-highinthestaircases. Beforethediscoveryunknownhadput thegarbageintothehousesandhad simultaneously stackedposterswith insultsonthedoors.Afterwards,the outrageamongthehouseresidentswas huge.Thentheywereoccupiedthe wholemorningtoeliminate the ”swinishness".Itisstillmysterioushow theunknownpreviouslyhadmanagedto getintothelockedhouse. 16-07-05 Lesscohesivetext: LastSaturday,theresidentsofMedfield Street/ParkStreethadanunpleasant surprise.Theworkersofthecommunity wastedisposalwerewonderingasthey wantedtoemptythetrashcans:They wereemptied.Instead,thestinking garbagewasscatteredankle-highinthe staircases.Unknownputthegarbagein thehousesandstackedposterswith insultsonthedoors.Theoutrageamong thehouseresidentswashuge.Theywere occupiedtoeliminate the"swinishness". Itwasmysterioushowtheunknown managedtogetintothelockedhouses. 31 3.3Localcohesionmanipulation: temporaladverbsanddifferenttenses Cohesivetext LastSaturday,theresidentsofMedfield Street/ParkStreethadanunpleasant surprise.Theworkersofthecommunity wastedisposalwerewonderingalittle later astheywantedtoemptythetrash cans:Theyhadalreadybeenemptied. Instead,thestinkinggarbagewas scatteredankle-highinthestaircases. Before thediscoveryunknownhadput thegarbageintothehousesandhad simultaneously stackedposterswith insultsonthedoors.Afterwards,the outrageamongthehouseresidentswas huge.Then theywereoccupiedthe wholemorningtoeliminate the "swinishness".Itisstill mysterioushow theunknownpreviouslyhadmanagedto getintothelockedhouse. 16-07-05 Lesscohesivetext: LastSaturday,theresidentsofMedfield Street/ParkStreethadanunpleasant surprise.Theworkersofthecommunity wastedisposalwerewonderingasthey wantedtoemptythetrashcans:They wereemptied.Instead,thestinking garbagewasscatteredankle-highinthe staircases.Unknownputthegarbagein thehousesandstackedposterswith insultsonthedoors.Theoutrageamong thehouseresidentswashuge.Theywere occupiedtoeliminate the"swinishness". Itwasmysterioushowtheunknown managedtogetintothelockedhouses. 32 3.3Localcohesionmanipulation: temporaladverbsanddifferenttenses Cohesivetext: LastSaturday,theresidentsofMedfield Street/ParkStreethadanunpleasant surprise.Theworkersofthecommunity wastedisposalwerewonderingalittle later astheywantedtoemptythetrash cans:Theyhad alreadybeen emptied. Instead,thestinkinggarbagewas scatteredankle-highinthestaircases. Before thediscoveryunknownhadput thegarbageintothehousesandhad simultaneously stackedposterswith insultsonthedoors.Afterwards,the outrageamongthehouseresidentswas huge.Then theywereoccupiedthe wholemorningtoeliminate the "swinishness".Itis stillmysterioushow theunknownpreviously hadmanaged to getintothelockedhouse. 16-07-05 Lesscohesivetext: LastSaturday,theresidentsofMedfield Street/ParkStreethadanunpleasant surprise.Theworkersofthecommunity wastedisposalwerewonderingasthey wantedtoemptythetrashcans:They were emptied.Instead,thestinking garbagewasscatteredankle-highinthe staircases.Unknownput thegarbagein thehousesandstacked posterswith insultsonthedoors.Theoutrageamong thehouseresidentswashuge.Theywere occupiedtoeliminate the"swinishness". Itwas mysterioushowtheunknown managed togetintothelockedhouses. 33 3.3Qualitativeanalysis:categorysystem CODE definition Focusoncohesionmarkers– tenses/changeoftenses(e.g.is/was,managed/hadmanaged)) T1– focussingontenseswithoutany Thestudentonlyfocussesonthesyntacticalelement(tense)andneither explanation namesitnorexplainsitsfunctionintexts. T2– definingtenseswithregardto Thestudentknowsthegrammaticaltermsandisabletousethem grammaticalterms correctly(e.g.present,pasttense) T3– definingtenseswithoutregardto Thestudenttriestoexplainthetenseswithoutusinggrammaticalterms grammaticalterms (e.g.changeoftenses) T4– interpretationofusingdifferenttenses Thestudentexplains/interpretstheuseofdifferenttensesintexts(e.g. exactrepresentationoftheeventsinchronologicalorder) Focusoncohesionmarkers– temporaladverbs(e.g.then) A1– focussingonadverbswithoutany Thestudentonlyfocussesonthesyntacticalelement(adverbs)andneither explanation namesitnorexplainshisfunctionintexts. A2– definingadverbswithregardto Thestudentknowsthegrammaticaltermsandisabletousethem grammaticalterms correctly(eg.(temporal)adverb). A3– definingadverbswithoutregardto Thestudenttriestoexplainthetenseswithoutusinggrammaticalterms grammaticalterms (e.g.exactinformationabouttime,moredetails). A4– interpretationofusingdifferentadverbs Thestudentexplains/interpretstheuseofdifferenttemporaladverbsin texts(e.g.exactrepresentationoftheeventsinchronologicalorder). (Schuttkowskietal.,2015;Schmitzetal.,accepted) 16-07-05 34 3.3Qualitativeanalysis:encodingthinking-aloudprotocols Let‘sseehowtodealwithourcategorysystem… Pleasereadthefollowingtwoextractsofthinking-aloudprotocols: • Dothestudentsnoticedifferencesinlanguageandstructureof bothtextsAandB? • Trytoassignthestudents’statementstothecategoriesof tenses(T1– T4)andtemporaladverbs(A1– A4) 16-07-05 35 3.3Extractofthinking-aloud-protocols Protocol120115:(observer =O,student=S) […] O:Now,pleasetrytocomparebothtextsandeachoftheirsentencesandtellmeifyounotice anydifferencesinlanguageandstructure[…]andpleaseexpressall ofyourthoughtsand whatevercomesintoyourmind.[…] S:Forthemoment(.)Ididn’tfindanyrelevantdifferences.(24)Fromtimetotime(.)whatisthat called (13)thereareusednounsoradjectiveswithtemporalinformationintextAthataren’t usedintextB. O:Couldyoupleasenamethesewords? S:Forexample,thesentence(.)Theyhadalreadybeenemptied.[…]AndintextBthereisthe sentenceTheywereemptied,forexample.[…]orthesentenceBeforethediscoveryunknownhad putthegarbageintothehousesandhadsimultaneouslystackedpostersonthedoorsisalso differentintextB:Unknownputthegarbageinthehousesandstackedpostersonthedoors. Thisway,textAisactuallymuchlonger.(22)OrforexampleAfterwards,theoutrageamongthe residentswashugeintextAandintextBTheoutrageamongtheresidentswashuge.Thelatter isshortandcrisp. O:Hhm,doyoufindanydifferenceinthecontentofbothtexts? S:Yes,textAismorecomprehensibleand(.)figurativelyeasier toimaginewiththehelpofallthe detailsliketheadjectives. […] 16-07-05 36 3.3Extractofthinking-aloud-protocols Protocol120115:(observer =O,student=S) […] O:Now,pleasetrytocomparebothtextsandeachoftheirsentencesandtellmeifyounotice anydifferencesinlanguageandstructure[…]andpleaseexpressall ofyourthoughtsandsay whatevercomesintoyourmind.[…] S:Forthemoment(.)Ididn’tfindanyrelevantdifferences.(24)Fromtimetotime(.)whatisthat called (13)thereareusednounsoradjectiveswithtemporalinformationintextAthataren’t usedintextB. O:Couldyoupleasenamethesewords? S:Forexample,thesentence(.)Theyhadalreadybeenemptied.[…]AndintextBthereisthe sentenceTheywereemptied,forexample.[…]orthesentenceBeforethediscoveryunknownhad putthegarbageintothehousesandhadsimultaneouslystackedpostersonthedoorsisalso differentintextB:Unknownputthegarbageinthehousesandstackedpostersonthedoors. Thisway,textAisactuallymuchlonger.(22)OrforexampleAfterwards,theoutrageamongthe residentswashugeintextAandintextBTheoutrageamongtheresidentswashuge.Thelatter isshortandcrisp. O:Hhm,doyoufindanydifferenceinthecontentofbothtexts? S:Yes,textAismorecomprehensible and(.)figurativelyeasier toimaginewiththehelpofallthe detailsliketheadjectives. […] 16-07-05 Coding: A3 A1 A1 A4 37 3.3Extractofthinking-aloud-protocols Protocol210104(observer =O,student=S): […] O: Pleasecomparebothtextsandeachoftheirsentences.Juststartwiththefirstsentenceand comparehimtothefirstsentenceoftextB.Afterthatyou’llgoandonandyou’lltellmeifyoucan noticeanydifferencesorcommongroundinlanguageandstructure. S:Okay,thefirstsentenceisthesame,there isn’tanydifference.Nodifferentwords.[…]Bothare thesame(22)TextBiswithoutanytemporalinformation.Theyweresurprisedatfindingtheempty trashcans(murmuring)andthereistheinformationthattheywerewonderingalittle later.So,they hadalreadybeenemptied,thetrashcans.TextAisdrawnupinmoreconcreteform,sortedwith temporalinformation.(23).Inthethirdsentencebothtextshavethesamewords.Therearen’tany differences.[…]Theforthsentenceisalsothesame.IntextAtheoutrageamongthehouse residentswashuge,afterthat.SothereisthereasonfortheirreactionandintextBthereisnothing likethat.(21)IntextBthereisthesentenceTheywereoccupiedtoeliminatethe"swinishness".[…] andintextAthereisanadditionalthen.So,theclean-upfollowstheresidents’outrage.[…]here (textB),itissaidwasandthere(textA),itisisstill.Forme,textBiswritteninpasttenseandtextA iswritteninpresenttense. […] 16-07-05 38 3.3Extractofthinking-aloud-protocols Protocol210104(observer =O,student=S): Coding: […] O: Pleasecomparebothtextsandeachoftheirsentences.Juststartwiththefirstsentenceand comparehimtothefirstsentenceoftextB.Afterthatyou’llgoandonandyou’lltellmeifyoucan noticeanydifferencesorcommongroundinlanguageandstructure. S:Okay,thefirstsentenceisthesame,there isn’tanydifference.Nodifferentwords.[…]Bothare thesame(22)TextBiswithoutanytemporalinformation.Theyweresurprisedatfindingtheempty trashcans(murmuring)andthereistheinformationthattheywerewonderingalittle later.So,they hadalready beenemptied,thetrashcans.TextAisdrawnupinmoreconcreteform,sortedwith temporalinformation.(23).Inthethirdsentencebothtextshavethesamewords.Therearen’tany differences.[…]Theforthsentenceisalsothesame.IntextAtheoutrageamongthehouse residentswashuge,afterthat.SothereisthereasonfortheirreactionandintextBthereisnothing likethat.(21)IntextBthereisthesentenceTheywereoccupiedtoeliminatethe“swinishness".[…] andintextAthereisanadditionalthen. So,theclean-upfollowstheresidentsoutrage.[…]here (textB),itissaidwasandthere(textA),itisisstill.Forme,textBiswritteninpasttenseandtextA iswritteninpresenttense. […] 16-07-05 A4 A1,A4 A1 A1,A4 T2 39 3.3Results ü StudentsperceivethecohesiveelementsintextA à focusmoreonadverbsthanontenses X Students arerarelyabletousegrammaticaltermsorto explainthefunctionoftemporalcohesion Unclearifthecohesivemarkersaremeaningfulfortext comprehension: ü Incomparison,studentspreferthecohesivetextà more comprehensible,moredetails X Additionaladverbsareinterpretedasdisturbing(possible reason:textsaretooshort;usageisinauthentic) (Schuttkowskietal.,2015,Schmitzetal.,accepted) 16-07-05 40 4.Implicationsforschool Especiallyglobalcohesionpromotesunderstandingexpository textswhereasnarrativecomprehensionseemstoberobust againstanycohesionmanipulationà differentengagementdue totextinstruction(andherebyaffectedmotivation?) Localcohesionhasnoeffectandtemporalcohesionisinterpreted asdisturbing(toomuch!) à Whenweakerstudentsworkwithgloballycohesiveexpository textsdisparitiesinclasscouldbereduced à Differentiatedreadingmaterialregardingglobalcohesioncould beakeyforpromotingweakerstudents 16-07-05 41 4.Implicationsforschool Changingschoolbookpublishers’practicesisalongprocess. Manyschooltextsarejudgedasincomprehensible=>lackof cohesion (McNamara&Kintsch,1996) Needforad-hocconstructionofcomprehensibletextsduring lessonsà teacherprofessionalizationmustincludeknowledge abouttextcomprehension,readers’engagementandlinguistic expertiseabouttextcomprehensibility Teachershavetoengagestudentstoactivelyworkwithtexts à Raisingawarenessabouttextstructures+usingcohesion strategically+connectingreadingandwriting 16-07-05 42 4.Futureresearch:interventionstudy Pre-test:demographic data,readingskills, comprehensiontest1 Intervention Post-test: comprehension test2 Follow-up: comprehensiontest3 16-07-05 Keyelementsoftheintervention • Topic:explicatethefunctionofcohesive elements (here:temporalelements, e.g. adverbs) tostructuretexts(here:explicate chronologicalorder)andstrategicallyuse themforcomprehension • Material:workingoutgrammaticalrules (e.g.formsofpasttense andpastperfect), worksheets(e.g.underliningcohesive elements intexts,cloze-tests) +reflections • Learning objective:linkingtheactiveuseof cohesiveelements withreadingstrategies 43 References De Beaugrande, R. & Dressler, W. 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