The purpose of this study was to examine the effectiveness of the in-service teacher training program, The Certificate for Teachers of English (CTE), run jointly by two departments: The Department of Basic English (DBE) and the Department of Modern Languages (DML) of the School of Foreign Languages (SFL) at Middle East Technical University (METU) in terms of whether it achieved its objectives and to provide suggestions regarding the redesigning of the program for the following years. The model used for evaluating the program was one proposed by Kirkpatrick (1998 / first devised in 1959). This model entails 4 levels of evaluation to carry out while evaluating training programs. Reaction, Learning, Behavior and Results. The research questions focused in this study are all in line with these four levels. The participants of the study were four folded. The main participants were the trainees attending the program. (N=6, 2 from DML / 4 from DBE). Another group of participants were the trainers of the program. (N=2). The third group of participants was the chairpersons at the two departments. Finally, data were collected from the students of the trainees and non trainees. Data was collected via questionnaires from the trainees and their students, interviews with trainees, trainers and chairpersons, observations of sessions of the program and trainees&rsquo / lessons, and related documents of the program. The data collected was analyzed qualitatively using the Miles and Huberman (1994) procedure for analyzing qualitative data: data reduction, data display and conclusion drawing/verification. Results revealed that the CTE program was effective in terms of achieving its objectives. However, there could be improvements in certain components of the program. Another result of the study was that the application of Kirkpatrick&rsquo / s training program evaluation model was not very effective in the evaluation of the CTE program. The main drawback was that the model is a nonlinear one which made it difficult to concentrate on a particular level of evaluation at a particular time. Therefore the suggestion for a more linear and definite model for the evaluation of the CTE program was proposed.

The aim of this research is to determine Japanese first-year university students’ attitudes to and motivation for learning English. A successful English-language education system is crucial for Japan, under great pressure to internationalise during her most prolonged recession ever. To help make the education system successful, knowledge of learners’ attitudes and motivation is essential. Chapter 1 discusses Japan as a stage for English-language education. Japan is identified as uniquely homogenous and insular. Internationalisation of industry and a drop in the college-age population forcing universities to compete for students are identified as recent phenomena driving reform in the English-language education system. Chapter 2 describes the roughly 130-year history of Japanese English-language education from first contact to the present day. Changes in the English-language education policies of successive Japanese governments are discussed through examination of the Ministry of Education ‘Course of Study’ guidelines. Chapter 3 surveys the theoretical literature on attitudes and motivation in foreign and second language learning. Significant and relevant empirical research from Japan and other countries is reviewed. Chapter 4 determines an approach to the main research question through a number of subsidiary questions, using the theoretical framework from Chapter 3. A detailed research design (methods, schedule, and data collection procedures) is drawn up and discussed. Chapter 5 presents and analyses the findings of the two questionnaires which form the main data collection method. The computer program SPSS is used in analysis. Chapter 6 presents and analyses the findings of the two group interviews and two individual interviews by categorising and descriptive explanation. Chapter 7, the final chapter, reviews the research process and answers the subsidiary and main research questions. Key themes are that Japanese students are highly motivated to learn English for communication, and that the English classes currently offered at universities do not meet the demands of Japanese students. These answers and themes are used as the basis for some recommendations for English-language education in Japan.

Um dos modelos experimentais mais utilizados para estudar a epilepsia do lobo temporal (ELT) é o abrasamento (kindling) por estimulação elétrica diária da amígdala, o abrasamento elétrico convencional. Uma alternativa rápida e eficaz a esse modelo é o abrasamento elétrico rápido, também capaz de gerar crises límbicas, porém com 10 estímulos elétricos aplicados ao dia, por 2 dias. No 3º dia é aplicado um estímulo elétrico adicional, o 21º estímulo, quando podem ser testadas drogas antiepilépticas ou estudados mecanismos de plasticidade ou memória. Entre as principais áreas ativadas nas crises límbicas encontram-se o complexo amigdalóide, a formação hipocampal, o córtex piriforme e neocórtices adjacentes. O envolvimento de estruturas olfatórias na ELT é antigo e estudos indicam que a exposição a um estímulo olfatório é capaz de suprimir, inibir ou induzir a ocorrência de crises. Todas as evidências clínicas e experimentais dão suporte científico para a hipótese de que a estimulação olfatória com o 2,5-Dihydro-2,4,5-trimethylthiazoline (TMT), uma potente substância química, derivada das fezes de raposa e que biologicamente representa o cheiro de predador pode influenciar no processo de crises evocadas por estimulação elétrica da amígdala. O objetivo geral do presente estudo foi avaliar a influência da apresentação do estímulo olfatório com TMT nas crises epilépticas de ratos Wistar, submetidos ao abrasamento elétrico rápido da amígdala. Para tanto, os parâmetros químicos do TMT foram avaliados, bem como as respostas comportamentais de ratos Wistar machos naives submetidos ao estímulo olfatório com diferentes doses de TMT. Na sequência, um novo grupo de ratos Wistar machos naives foi submetido ao protocolo de abrasamento elétrico rápido da amígdala com a aquisição dos registros eletrencefalográficos (EEGráficos) do córtex piriforme, formação hipocampal além do complexo amigdalóide. Após abrasados os animais foram expostos ao TMT ou água destilada, previamente ao 21º estímulo elétrico. Posteriormente o tecido cerebral foi processado (perfundido, crioprotegido, congelado e cortado) e então foram feitas as técnicas histoquímicas de: Nissl e Fluoro-Jade C (FJC, marcador de neurodegeneração). As respostas comportamentais foram analisadas mediante o uso do Índice de Gravidade para Crises Límbicas e da neuroetologia. Adicionalmente foi avaliada a expressão EEGráfica do 1º, 20º e 21º estímulos e verificada a presença/ausência de neurodegeneração em regiões do sistema límbico. Os resultados da análise comportamental obtidos nesse estudo foram comparados com os obtidos no protocolo de estimulação olfatória com TMT nas crises audiogênicas agudas de ratos da cepa WAR. O TMT desencadeou reações de medo e modificou as sequências comportamentais, reduziu a atividade motora e os comportamentos de autolimpeza. Dados qualitativos da cromatografia gasosa e algoritmos matemáticos possibilitaram estabelecer as concentrações na câmara para as diferentes doses de TMT. Além disso, a cromatografia gasosa identificou que 30 minutos é o tempo necessário para saturação e dessaturação da câmara ao TMT, e indicou uma saturação homogênea do interior dessa câmara. O TMT puro no abrasamento elétrico rápido em ratos Wistar foi capaz de reduzir significativamente o Índice de Gravidade para Crises Límbicas comparado à água, corroborando os dados neuroetológicos que indicam o efeito supressor do TMT nas crises, tanto para o modelo de abrasamento elétrico rápido quanto para as crises audiogênicas agudas. Os resultados da duração da pós-descarga EEGráfica primária no 21º estímulo foram inconclusivos, sendo necessárias outras análises empregando diferentes métodos analíticos. Com a técnica de FJC não foi possível verificar morte celular por necrose em qualquer região cerebral avaliada. / One of the most widely used experimental models to study temporal lobe epilepsy (TLE) is the kindling by electrical daily stimulation of the amygdala, the conventional kindling. A rapid and effective alternative to this model is rapid electrical kindling, also capable of generating limbic seizures, but with 10 electrical stimuli applied per day for 2 days. On the 3rd day an additional electrical stimulus is applied, the 21st stimulus, when antiepileptic drugs can be tested or mechanisms of plasticity and memory can be studied. Among the main areas activated in limbic seizures are the amygdaloid complex, the hippocampal formation, piriform cortex and adjacent neocortices. The involvement of the olfactory structures in TLE is old and studies indicate that exposure to an olfactory stimulus is capable to suppress or inhibit or induce the occurrence of seizures. All the clinical and experimental evidences provide scientific support for the hypothesis that the olfactory stimulation with 2,5-Dihydro-2,4,5-trimethylthiazoline (TMT), a powerful chemical substance derived from fox feces which biologically represents the \"predator smell can influence the seizures process evoked by electrical stimulation of the amygdala. The overall objective of this study was to evaluate the influence of olfactory stimulation with TMT in seizures of Wistar rats subjected to rapid electrical kindling of the amygdala. Therefore, the chemical parameters of TMT were evaluated, as well as behavioral responses of naive male Wistar rats exposed to the olfactory stimulus with different concentrations of TMT. Other group of rats was electrically stimulated in the amygdaloid complex, following the protocol of rapid electrical kindling and the electroencephalographic recordings (EEGraphic) obtained from the piriform cortex, hippocampal formation in addition to the amygdaloid complex. After scorched the animals were exposed to TMT or distilled water, prior to the 21st electrical stimulation. Subsequently the cerebral tissue was processed (perfused, cryoprotected, frozen and sliced) and then processed for Nissl and Fluoro-Jade C histochemistry (FJC, a marker of neurodegeneration). The behavioral responses were analyzed by using the Severity Index for Limbic Seizures and neuroethology. In addition to EEG, reviewed after the 1st, 20th and 21th stimuli we also examined the presence/absence of neurodegeneration in regions of the limbic system. The results obtained in this study were compared with those obtained in the protocol of olfactory stimulation with TMT on acute audiogenic seizures of rats from the WAR strain. The TMT triggered fear reactions and modified the behavioral sequences, reduced motor activity and grooming behavior. Qualitative data from gas chromatography and mathematical algorithms made possible to establish the concentrations in the camera for the different doses of TMT. In addition, the gas chromatography helped to identify that 30 minutes is the time required for saturation and desaturation of the camera to TMT and indicated a homogeneous saturation of the interior of such camera. The pure TMT in rapid electrical kindling in Wistar rats was able to significantly reduce the Severity Index for Limbic Seizures, compared to water, corroborating the data of the neuroethology method indicating the suppressive effect of TMT in seizures, in both, the model of rapid electrical kindling as well as the acute audiogenic seizures. However, the results of the duration of the EEGraphic primary after-discharge at the 21th stimulus were inconclusive, requiring further analysis using different analytical methods. With the technique of FJC it was not observed necrotic cell death in any studied brain region.

This study investigates whether there is a relationship between student motivation and Focus on Form (FonF) frequency in English language teaching (ELT), with a focus on Swedish upper secondary school. The goal is to identify potential patterns of inefficiency in ELT that may need remediation, and to investigate potential benefits of promoting student motivation in ELT. The theoretical framework encompasses second language acquisition (SLA), FonF, ELT, corrective feedback and student motivation, including theories regarding intrinsic and extrinsic motivation. Previous research includes findings regarding reactive and pre-emptive FonF, as well as motivational strategies. The applied methods include a questionnaire for self-evaluation regarding the students’ motivation in regard to English learning, and structured classroom observations. Three groups of students partook in the study: two groups attending an academic upper secondary school program, and one group attending a vocational upper secondary school program. One lesson á 55 minutes per group was observed. The results indicate that pre-emptive FonF occurs more frequently in groups with high intrinsic motivation, suggesting a potential relationship.

Educational textbooks have the power to influence pupils’ perception of the world. In the subject of English, this specifically concerns learning about cultures in different parts of the world where English is used. The purpose of this study is to identify the characteristics of cultural representation in two English Language Teaching (ELT) textbooks with the aim to make the hidden curriculum visible and to raise awareness among publishing houses and teachers. Using a Critical Discourse Analysis (CDA) based on Fairclough’s (2001) three-dimensional model in combination with Barthes’ (1977) Visual Semiotics methodology, we investigated which regions and countries were presented and how their cultures were constructed through texts and images. These findings were further compared to the cultural values and content of the Swedish curriculum, the genre of textbooks, and existing hegemonic discourses in society. In the analysis, Kachru’s (1986) Circles of World Englishes, Machin and Mayr’s (2012) toolkit for CDA, McKay’s (2010) interpretation of Anderson’s (1983) imagined communities, and Said’s (2003) concept of Orientalism were applied. Our findings show that the inner circle dominates and is depicted as superior in contrast to the outer and expanding circles. Although the textbooks include a variation of different cultures which is in line with the curriculum, representation of the outer and expanding circles is often stereotypical and underdeveloped which reinforces hegemonic discourses instead of acting to restructure them. This corresponds to previous studies in the genre, and hence, educators must work to ensure that the hidden curriculum in ELT textbooks is continuously made visible and challenged.

Modern societies across the globe have been deeply transformed by the rise of capitalism and neoliberalism in the last century. This has had a significant impact on education which has been reconfigured to meet the needs of the market rather than the needs of the learner. Language learning in particular becomes instrumental and focuses on preparing individuals for a consumeristic lifestyle or for building successful international business careers. In that sense, from a neoliberal perspective, the social class of the individual is not relevant, and the assumption is that everybody starts on equal footing and with equal possibilities, contrary to reality. Consequently, systematic barriers that lead to social injustice are ignored in neoliberal reasoning. These ideas have been found to be propagated in textbooks for English language learning, which deeply shapes learner perceptions and teacher practices in the classroom. This study focuses on analysing two English textbooks used in Sweden and it aims to identify how social class is represented and the extent to which the texts and the tasks attempt to construct an entrepreneurial identity. The results indicate that an entrepreneurial identity manifests through recurrent narratives which accentuate consumerism, individualism, responsibility etc. Other phenomena identified are social class erasure and a focus on politics of representation rather than distribution. Interviews with 3 teachers were also conducted in order to investigate teacher perceptions and practices concerning social class representations and entrepreneurialism in textbooks. The interviews suggest that teachers are aware and reactive to social class representations in textbooks, but are more concerned about identity representations (gender, racial) rather than socio-economic disparities. Additionally, they show less awareness about content related to entrepreneurialism and adopt a non-critical stance in relation to this neoliberal value.

Prior research in the field of culture and language education depicts the close relation between language and culture. Furthermore, such research emphasises that in order to understand and to be able to use a language properly, one needs to acknowledge that language is culture. Today English is a global language and a tool for communication in working life, in studies and when travelling. Hence, to be able to communicate in English one needs to know the cultural codes in these specific settings. Moreover, language teaching has many dimensions and according to the curriculum, teachers have an obligation to raise cultural awareness amongst pupils as well as teach fundamental values. The purpose of this paper is therefore to investigate how secondary teachers and pupils view and work with culture and how these views can be connected to the curriculum and to the syllabus of English Lgr.11. Through interviews with secondary pupils we found that their view of culture to an extent connects to the cultural content of the curriculum for Swedish compulsory school, Lgr.11. Through teacher interviews, we additionally found that even if the teachers had a broad view of culture that was connected to the curriculum, they did not always manage to convey their cultural teaching to their pupils.

Concrete, the second most consumed material on earth after water, is a source of environmental problems due to global urbanization. The production of this construction material requires a large amount of natural resources, and portland cement (PC) is responsible for around 8 % of planet-warming CO2 emissions. Producing 1 ton of PC will release roughly 1 ton of CO2 into the atmosphere. In 2021, around 92 million metric tons of PC were produced in the U.S., and a total of 4.4 billion tons were manufactured worldwide. While there was a yearly increase of around 1.5 % in the direct CO2 intensity of cement production from 2015 to 2021, urgent annual declines of 3 % until 2030 are necessary to be in line with the Net Zero Emissions by 2050 Scenario. This dissertation presents different approaches and technologies to offset the CO2 footprint of the production of cement clinker, concrete, and cementitious materials in general. First, this dissertation investigated the possibility of using end-of-life tire (ELT) rubber powder and its zinc-recovered residual (treated ELT rubber) to partially replace fine aggregates of different construction and infrastructure materials including stabilized soft soil (0 %, 10 %, 30 %, and 50 % ELT rubber added by clay volume), portland cement concrete (0 %, 10 %, 20 %, and 30 % ELT rubber added by sand volume), and asphalt concrete (20 % ELT rubber added by sand volume). This work was discussed through aspects of engineering properties and environmental impacts. The results reveal that the ELT rubber had both negative and positive effects on the engineering properties of the three materials while this waste posed a huge leachability of zinc and total organic carbon (TOC) content when being subjected to aqueous environments. However, the findings indicate that all three materials' matrices could effectively immobilize most leachable zinc from the ELT rubber by more than 90 %. Meanwhile, only stabilized soft soil and asphalt concrete could effectively deal with leachable TOC content from ELT rubber, and portland cement concrete needed the addition of silica fume to reduce TOC concentration in its leachate. Second, while previous studies have shown that steel furnace slag (SFS) can stabilize clay soils, the evidence is not clear if the stabilization mechanism is chemical and/or mechanical. This dissertation used isothermal calorimetry (IC) to quantify the heat of hydration of the mixture to assess the chemical aspects of the stabilization. Specifically, kaolin and bentonite clays were each blended with 40 % SFS by mass at water-to-binder ratios ranging from 1.0 to 1.5. The hydration properties of stabilized mixtures using lime or PC were also tested for comparison at the same experimental conditions. The obtained thermal power and total heat curves of stabilized mixtures confirmed that, for the specific SFS in this study, there is a hydration process taking place in clay stabilized by SFS. Relative to lime and PC, the SFS performed similarly in terms of heat of hydration behavior. When blended into clays, SFS provided a more significant heat of hydration behavior than cement, but that was much milder than lime. X-ray diffraction (XRD) and thermogravimetric analysis (TGA) were also employed to qualitatively analyze the mineralogy of the stabilized mixtures. Finally, this dissertation adopted a Digestion-Titration Method (DTM) for the determination of CO2 content in cementitious materials that has been mineralized in the form of calcium carbonate (CaCO3). This method was modified based on tests that were originally developed in the early 1900s. The method uses hydrochloric acid to digest CaCO3 under vacuum conditions. The CO2 released is captured by a barium hydroxide solution, which is then titrated to quantify the amount of CO2 absorbed. A design of experiments approach was used to optimize the experimental conditions. Samples of known CaCO3 content were first evaluated to establish the baseline test performance, and additional tests were performed on portland cement and various rock samples. The results were also compared to TGA, including a discussion to compare the two test methods. The data suggest that the new test method is feasibly applicable to chemically determine the CO2 captured in cementitious materials, and it can be an alternative method for TGA with lower experimental cost and easier access. Overall, it is evident that cement, concrete, and construction materials are essential to the functionality of civilization. Dealing with CO2 emissions and natural resource depletion induced by the production of these construction materials is urgent for sustainable development. Attempts toward construction materials with lower embodied CO2 by using low-carbon aggregates (e.g., waste aggregates, recycled aggregates) and alternative cementitious binders while controlling the environmental effects of the utilized waste materials are currently viable sustainable approaches. In addition, tools or new test methods that can support measuring the effectiveness of these reduced carbon cementitious materials are necessary. This dissertation investigates the feasibility of the use of ELT rubber waste in construction materials to reduce the exploitation of natural resources considering engineering properties and environmental impacts. It also provides a deeper understanding of the hydration behavior of stabilized soil using SFS which is expected to partially or fully replace PC in the material. Experimentally, it develops a chemical test model as an alternative method for TGA with lower experimental cost, less interference, and easier access to determine the CO2 captured in cementitious materials. / Doctor of Philosophy / Concrete, the second most consumed material on earth after water, is a source of environmental problems due to global urbanization. The production of this construction material requires a large amount of natural resources, and portland cement (PC) is responsible for around 8 % of planet-warming CO2 emissions. This dissertation presents different approaches and technologies to offset the CO2 footprint of the production of construction materials (i.e., cement clinker, concrete, and general cementitious materials). First, this dissertation investigated the possibility of using end-of-life tire (ELT) rubber powder in different construction materials including stabilized soft soil, portland cement concrete, and asphalt concrete. This work was discussed through aspects of engineering properties and environmental impacts. The results reveal that the ELT rubber had both negative and positive effects on the engineering properties of the three materials. In return, all three materials' matrices could effectively immobilize most leachable zinc and total organic carbon (TOC) from the ELT rubber, which are detrimental to aquatic animals, plants, and humans. Second, this dissertation used isothermal calorimetry (IC) for the first time to study the heat of hydration of soil stabilized by steel furnace slag (SFS) to assess the chemical aspects of the stabilization. The work compared the hydration behavior of SFS in clayey soil with traditional stabilizers such as lime or portland cement. The results demonstrated that there were chemical reactions taking place during the hydration of stabilized soil using SFS, explaining the improvement in engineering properties of the stabilized soil. Moreover, this dissertation adopted a Digestion-Titration Method (DTM) for the determination of mineralized CO2 content in cementitious materials. The method uses hydrochloric acid to digest CaCO3 under vacuum conditions. The CO2 released is captured by a barium hydroxide solution, which is then titrated to quantify the amount of CO2 absorbed. The data suggest that the new test method is feasibly applicable to chemically determine the CO2 mineralized in cementitious materials, and it can be an alternative method for thermogravimetric analysis with lower experimental cost and easier access. Overall, it is evident that cement, concrete, and construction materials are essential to the functionality of civilization. Dealing with CO2 emissions and natural resource depletion induced by the production of these construction materials is urgent for sustainable development. This dissertation is expected to fill the knowledge gap in carbon neutral construction materials research, including increasing the use of low-carbon aggregates (e.g., waste aggregates, recycled aggregates) and alternative cementitious binders as well as developing new test methods that can support measuring the effectiveness of these reduced carbon cementitious materials.

The increasing use of English as a lingua franca has led to the emergence of many nonnative varieties, but research indicates that despite the efforts of disciplines such as World Englishes and ELF to elevate the status of these varieties, speakers of native varieties are still valued higher by listeners all over the world. However, few studies have attempted to compare non-native varieties to each other without the presence of a contrasting native variety. In Sweden, a country where English has a notably high status and prominence, a significant amount of the population has other native languages than Swedish, and as such, there is a range of non-native Englishes spoken in the country. Moreover, speakers of the biggest immigrant language in Sweden, Arabic, are often subjected to discrimination and stereotyping, which makes it relevant to investigate if biases against groups influence how the English spoken by the groups is perceived. Therefore, this study aimed to investigate the attitudes of Swedish people towards Swedish and Arabic L2 English speakers. Using the verbal-guise technique, 59 upper secondary school students were recruited to respond to a questionnaire measuring their attitudes towards the two varieties. The findings indicate that there are significant differences: the Swedish speaker was rated as more intelligent, educated, confident and responsible than the Arabic speaker, while the Arabic speaker was rated as kinder and less aggressive than the Swedish speaker. While more research is needed, the findings indicate that subconscious biases against varieties exist, and it is suggested that these need to be taken into account in English-speaking contexts, particularly in ELT classrooms.

<p> This thesis investigates the processing of emergency locator transmitter (ELT) signals which are used in search and rescue satellite-aided tracking (SARSAT) systems. Essentially, the system relies on the transmission of ELT signals from a distressed platform being relayed through an orbiting satellite to an earth station where signal processing can be performed. </p> <p> The methods of signal processing investigated here include both linear and nonlinear. The linear methods include the window function, the autocorrelation function, the digital filtering and the Fast Fourier Transform (FFT). The nonlinear processing is based on the Maximum Entropy Method (MEM) . In addition, additive white Gaussian noise has been added to simulate the performance under different carrier-to-noise density ratio conditions. </p> <p> For a single ELT signal, it is shown in the thesis that the MEM processor gives good spectral performance as compared to the FFT when applied to all types of modulation. When multiple ELT signals are present, the MEM also provides certain benefits in improving the spectral performance as compared to the FFT. </p> / Thesis / Master of Engineering (ME)