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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
71

A collective case study: How regular teachers provide inclusive education for severely and profoundly deaf students in regular schools in rural New South Wales

Cameron, Jill January 2005 (has links)
This thesis reports a collective case study of the school educational experiences of five severely and profoundly deaf students who were enrolled in regular schools in rural areas of New South Wales. The students ranged in age from 6 to 18 years. Three issues were examined: (1) The impact of the philosophy of inclusive education and the question of why students with high degrees of deafness and high support needs were enrolled in regular schools in rural areas; (2) The specific linguistic an educational support needs of deaf students; and (3) The ability of the regular schools and teachers to cater for the educational needs of the deaf students in those settings. The case studies revealed that to considerably varying extents in different situations, the students were afforded inclusive educational opportunities. The extent of inclusiveness of students’ educational experiences was shown to vary according to a number of variables. The variables identified included: the type and quality of communication with the deaf student, teaching style, accessibility of content, particular lesson type, and the type and extent of curriculum adaptations employed. As a result of the analysis of the data from the five cases, a number of generalistions were possible. These generalisations were that (a) students with the ability to access spoken communication auditorily were more easily included than students using manual communication; (b) reduction of linguistic and academic input occurred as a response to student inability to access class programs because of reduced linguistic capabilities, resulting in the deaf students receiving different and reduced information to the hearing students; (c) communication between a deaf student and his or her class teacher needed to be direct for the most successful inclusion to occur; (d) teaching style needed to be interactive or experiential for successful language learning and literacy development to occur; (e) curriculum adaptations needed to involve provision of visual support for lesson material to be highly effective; (f) lessons/subjects easily supported by visual means, such as mathematics or practical subjects, when taught hierarchically, going from the known to unknown in achievable steps, meant teaching style could be either transmission or interactive, for lesson activities to be considered inclusive; (g) students with poor literacy skills were unable to successfully access an intact (i.e., unaltered and complete) high school curriculum; (h) the teaching style of the class teacher impacted on the support model possible for the itinerant teacher; (i) an interactive class teaching style allowed for cooperative teaching between class teacher and itinerant teacher who could then assist the class teacher with both the linguistic and academic needs of the deaf student; (j) a transmission style of teaching resulted in various levels of withdrawal for the deaf student unless the subject matter could be represented visually; (k) when curriculum content or expected outcomes were reduced, the deaf students did not have the same access to information as their hearing counterparts and consequently could not develop concepts or understandings in the same manner; and (l) language and literacy development were most facilitated when interactive teaching opportunities were established proactively for the deaf students rather than through the reduction of content as a response to their failure to successfully engage with the complete curriculum. The conclusions suggest an alternative support proposal for deaf students in rural environments. The model of support proposed involves the targeting of specific preschools and primary schools with the provision of teachers identified to teach collaboratively and interactively. Under the proposed model several students with impaired hearing would be located within the one school with the itinerant teacher position becoming a full-time appointment in that school. Such a model would enable coenrolment, co-teaching, co-programming, creative grouping, and the provision of demonstration opportunities and support for other teachers within the school and district that had deaf students enrolled. Finally, interactive teaching, based on a clearly defined theoretical model of language acquisition, development, and learning, is recommended for students with impaired hearing in such environments. It is argued that the support of linguistic development and academic learning could be facilitated concurrently, thus ensuring that by the time students had reached high school they would possess sufficient literacy skills to access a regular high school program successfully. / PhD Doctorate
72

Developing and Evaluating Language Tools for Writers and Learners of Swedish

Knutsson, Ola January 2005 (has links)
Skrivande och skrivet språk är idag en viktig del av många människors liv, i datorns ordbehandlare, i e-postprogram och i chattkanaler på Internet. Skrivet språk har blivit mer eller mindre en förutsättning för människors dagliga kommunikation. Denna utveckling av samhället leder till ökade behov av att på olika sätt hantera text. En teknologi som har stor potential att hjälpa människor med skrivande och skrivet språk är språkteknologi. I denna avhandling ligger fokus på olika språkverktyg vars avsikt är att stödja skribenter och de som lär sig svenska bland annat genom att skriva. Ett språkverktyg som har utvecklats och utvärderats i avhandlingen är språkgranskningsverktyget Granska. I arbetet med Granska har fokus legat på utvecklingen av regelspråk, granskningsregler och generella analysregler samt utvärdering av dessa. Granska kombinerar en statistisk grundanalys av ordens ordklasser med regelbaserade metoder för sökning av grammatiska fel och frasanalys. I utvecklingen av granskningsreglerna är dragkampen mellan felaktiga utpekningar av fel, så kallade falska alarm, och uteblivna utpekningar av fel, det största enskilda problemet. Dragkampen uppstår genom att det är svårt att hitta många fel utan att också göra en del felaktiga utpekningar. Språkverktyg för skrivande kan i stort sett utvärderas på två sätt: med fokus på texten eller på den som skriver. I denna avhandling har båda typerna av utvärdering utförts med såväl modersmålskribenter som skribenter med svenska som andraspråk. I en första textbaserad utvärdering visade det sig att textgenre spelar stor roll för Granskas resultat. Ett vanligt fel i en textgenre förekommer nästan inte alls i en annan. Detta innebär att det blir mycket svårt för programmet att inte avge några falska alarm i de texter där feltypen saknas. I en andra textbaserad utvärdering jämfördes Granska och en kommersiell grammatikkontroll på texter från andraspråksskribenter. Den kommersiella grammatikkontrollen visade sig att ha bättre träffsäkerhet, men upptäckte färre fel än Granska. En första mindre användarstudie utfördes med Granska och fem erfarna skribenter. Syfte med studien var att utveckla Granska i linje med skribenters behov vid revision av text. Resultatet indikerade att användarna inte hade några problem med att välja mellan olika feldiagnoser om ett av ersättningsförslagen var korrekt. Falska alarm verkade vara av varierande svårighetsgrad: falska alarm från stavningskontrollen är mer eller mindre ofarliga, medan falska alarm från granskningen av mer komplicerade feltyper kan försvåra revisionsarbetet för användaren. Granska utvecklades från början för erfarna skribenter med svenska som modersmål, men allteftersom arbetet har fortskridit har även skribenter med svenska som andraspråk blivit en allt viktigare användargrupp. I detta arbete har diskussionen om granskningsmetod blivit mer och mer central. Även om gruppen andraspråksskribenter är mycket heterogen, så innehåller den här gruppens texter generellt sett mer fel, och i många fall fler fel i samma mening. Detta gör granskningsproblemet betydligt svårare. För det första så blir det svårare att avgöra ordens ordklass och frastillhörighet när flera fel finns i samma mening, och därmed har programmet allt mindre att hänga upp den grundläggande språkliga analysen på. För det andra är det svårare att konstruera granskningsregler för fel vars natur är svår att förutsäga på förhand. För att förbättra den grundläggande språkanalysen utvecklades programmet GTA, som gör en frasanalys och satsgränsigenkänning. GTA utvecklades ur de generella analysregler som redan fanns i Granska. GTA designades för att klara av att analysera texter som innehåller vissa avvikelser från språkets norm, t.ex. inkongruens. För att ta reda på hur väl programmet klarade av mindre avvikelser i form av stavfel utvärderades GTA och även två program för ordklassanalys på texter med olika andel stavfel. GTA bygger till mycket stor del på att identifikationen av ordklass fungerar för att fraser och satsgränser skall analyseras korrekt. Detta bekräftas också i utvärderingen, där det visade sig att GTA klarar sig bra så länge som den underliggande ordklassanalysen klarar att hantera avvikelser i texten. En viktig faktor för att klara språkliga avvikelser, i form av stavfel, är en fungerande metod för att hantera ord som är okända för programmet. Nya metoder för språkgranskning har undersökts i samarbete med andra forskare, och där har avhandlingens bidrag varit i form av transformationsregler i den statistiska språkgranskaren ProbGranska. Dessa regler visade sig vid en utvärdering avsevärt förbättra ProbGranskas säkerhet när det gällde att identifiera grammatiska problem. I utvecklingen av språkgranskaren SnålGranska har avhandlingen bidragit med idéer till dess grundläggande algoritm. Denna algoritm bygger på att träna ett maskininlärningsprogram på konstgjorda fel i avsaknad av en korpus med många uppmärkta autentiska fel. För att komma vidare med utvecklingen av språkverktyg för andraspråksskribenter genomfördes en längre fältstudie vid ett svenskt universitet. Syftet var att studera användningen av Granska i autentiska skrivuppgifter som studenterna genomförde i en avancerad kurs i svenska som främmande språk. Sexton studenter med olika språklig och kulturell bakgrund deltog i studien. En viktig del av studien utgjordes av studenternas bedömningar av Granskas alarm. Bedömningarna gjordes på en betygsskala från 1 till 5. Studenternas texter samlades också in i två versioner; en version före och en efter användningen av programmet. Denna metod gjorde det möjligt att studera i vilken grad studenterna följde Granskas råd, och huruvida dåliga eller bra råd från programmet fick höga eller låga betyg. Mest alarmerande var att dåliga råd angående ordföljd alltid fick högsta betyg. Andra ofta lämpliga råd dömdes ut för att beskrivningen av dessa feltyper, t.ex. anmärkningar om saknade tempusböjda verb och uteblivna subjekt, var svåra att förstå samt att de saknade ersättningsförslag. En viktig insikt från fältstudien var att Granska eller liknade verktyg inte är det enda verktyg som andraspråksskribenter behöver när de skriver text. Denna insikt tillsammans med andra resultat från fältstudien mynnade ut i flera designprinciper för program med fokus på andraspråksskribenter. Dessa designprinciper användes sedan i utformningen av språkmiljön Grim. Grim är en ordbehandlingsmiljö med olika interaktiva språkverktyg integrerade: Granska, GTA, den statistiska språkgranskaren ProbGranska, lexikonet Lexin med åtta olika språkpar, konkordansgränssnitt mot stora textmängder från korpusen Parole, och en ordböjningsfunktion. I Grim kan användaren arbeta med egna eller andras texter, och få återkoppling på språkets former från Granska och GTA, undersöka ords användning i autentiska texter samt få en ökad förståelse av målspråket genom integrerade tvåspråkiga lexikon. / Writing and written language play today an increasingly important part in many people’s lives. Written language has become more or less a prerequisite for daily communication. This development of society leads to increased needs for tools that can help humans in dealing with text. A technology that has a potential to aid people with writing and written language is language technology. In this thesis, the focus is on language tools based on language technology that can aid writers and learners of Swedish. A language tool that has been developed and evaluated in the thesis is the grammar checker Granska. The thesis work on Granska includes the design of its rule language, and the development of grammar checking rules for common error types in Swedish. In addition, rules for phrase analysis and clause boundary detection have been developed constituting a partial and shallow parser called GTA. Language tools for writing can mainly be evaluated in two ways: with focus on text or with focus on the writer. In this thesis, both types of evaluations have been carried out both with native writers and second language writers. The first textual evaluation of Granska showed that the genre has a strong influence on the result. In a second evaluation, Granska was compared with a commercial grammar checker on second language writers’ texts. Granska found more errors, but with a lower precision. A third evaluation focused on the general text analyzers, which Granska relies on, in this case a statistical word class analyzer and the parser GTA. These programs were evaluated on texts where spelling errors were introduced, in order to test the programs’ robustness. Results showed that as long as the word class analyzer is robust the parser GTA would also be robust. In a first formative user study with Granska and five participants, results suggested that several and competing error diagnoses and correction proposals are not a problem for the users as long as there exist at least one accurate correction proposal. Moreover, false alarms from the spelling checker seemed to pose a limited problem for the users, but false alarms on more complicated error types might disturb the revision process of the users. In order to improve the design of language tools for second language writers a field study was carried out at a Swedish university. Sixteen students with different linguistic and cultural backgrounds participated in the study. The objective was to study the use of Granska in students’ free writing. The results indicated that although most alarms from Granska are accurate, lack of feedback and misleading feedback are problems for second language writers. The results also suggested that providing the students with feedback on different aspects of their interlanguage, not only errors, and facilitating the processes of language exploration and reflection are important processes to be supported in second-language learning environments. These insights were used as design principles in the design and development of an interactive language environment called Grim. This program includes a basic word processor, in which the user can get feedback on linguistic code features from different language tools such as Granska and GTA. In addition, other tools are available for the user to explore language use in authentic texts and to achieve lexical comprehension through bilingual dictionaries. / QC 20100428
73

On-line learning among Health Studies’ students at an open distance learning institution: prospects and challenges for interactivity

Maboe, Kefiloe Adolphina 08 September 2014 (has links)
The purpose of this research is to explore students’ on-line interactivity in an Open Distance Learning institution with other students, educators, study materials and Unisa as the sampled prototypical research subject. A mixed-method of research encompassing both explorative and descriptive aspects was used. Data was collected through myUnisa discussion forum, focus group interviews and an on-line questionnaire from second and third year Health Services Management students at the University of South Africa (Unisa). Although the findings indicated that 84.9% of students owned computers, and 100% owned cellular phones, only 3.8% participated in the discussion forum. On-line discussion forum are critical in Open Distance Learning (ODL) because it allows people who cannot physically attend the educational institution to interact with each other. Almost 40% of these sampled students agreed that the discussion forum allowed them to study with their peers. However, only 53 of the 1,379 students registered for both second and third year studies during the first semester participated in the discussion forum. This indicates that very few students benefit from on-line interaction. Most of the students who are enrolled in Health Services Management course are from 21 to above 50 years of age. This age factor can have an impact on computer literacy. Some of them indicated that they struggled with the utilisation of technology. The majority of these students do not utilise the prescribed on-line interactive tools effectively. Students’ need support cognitively, academically, administratively, institutionally and affectively. The findings suggest that although students are aware of the benefits of using online technologies, they do not have the support from the institution to enable them to better their skills in using these technologies. The other challenge that they have raised is that educators also interact minimally on-line. Therefore, they do not receive the necessary feedback they require. The university systems are sometimes offline, which becomes worse during registration and submission of assignments. The recommendations emanating from the study warrants various interventions of multiple stakeholders to resolve the students’ challenges. / Health Studies / D.Litt. et Phil. (Health Studies)

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