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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.
571

Habilidade cognitiva espacial : medida com eletroencefalografia

Spindola, Marilda Machado January 2010 (has links)
A tese apresenta uma contribuição à área da pesquisa educacional, para auxiliar na identificação de perfis cognitivos, utilizando o referencial teórico das Ciências Cognitivas e a instrumentação das Neurociências. O projeto elaborado para atender os objetivos desta tese compreendeu o desenvolvimento de metodologia experimental, apoiada pela técnica estatística de Projetos de Experimentos, juntamente com instrumentos neurocientíficos (uso de eletroencefalografia com técnica ERP – Event Related Potential), para a observação, quantificação e interpretação de evidências neuronais – sinais de eletroencefalografia - relacionadas ao processo cognitivo humano. Buscou, em particular, evidências relacionadas às diferentes demandas de energia despendida na realização de atividades espaciais (identificação, percepção ou atenção espacial de objetos virtuais), com base em instrumentos teóricos e tecnológicos das Neurociências, das Ciências Cognitivas e da Psicologia Cognitiva, para uso na área da pesquisa educacional, visando contribuir para identificação de diferentes perfis de estudantes em diferentes áreas do conhecimento. Na investigação experimental, o objetivo foi buscar indicadores (quantificação de energia alocada em atividade cerebral, medida de tempo de resposta ao estímulo, maior magnitude na faixa de freqüência do ritmo elétrico cerebral, evocados no experimento) dos sinais cerebrais que estejam sincronizados com o exercício proposto e que possam subsidiar a hipótese de que há diferenças significativas entre estudantes de áreas científicas e tecnológicas e estudantes de áreas humanas e sociais, no quesito habilidades espaciais. A proposta contextualiza e fundamenta experimentos com um grupo de alunos voluntários dos cursos de graduação, selecionados para a pesquisa, classificados por idade e sexo e avaliados e selecionados por diagnóstico psicológico indicativo da provável área de aptidão/habilidade cognitiva. O desenvolvimento da proposta investigativa, que visou atender os objetivos relacionados e pertinentes ao processo, foi possível devido a esforços de pesquisadores e cientistas das diferentes áreas de conhecimento, que colaboraram na modelagem do experimento realizado no Laboratório de Biosinais da Universidade de Caxias do Sul, no Campus Universitário da Região dos Vinhedos, junto ao Curso de Engenharia Elétrica. Como parte do processo metodológico experimental está compreendido o desenvolvimento do instrumento de medição: equipamento de eletroencefalografia (EEG) utilizando o sistema de aquisição e conversão de sinal analógico-digital da National Instruments e também, o equipamento conhecido como Gaiola de Faraday, que serviu para a realização das coletas de sinais elétricos cerebrais de baixa freqüência e amplitude, minimizando a presença de ruídos eletromagnéticos interferentes significativamente no sinal coletado. Os dados (sinais elétricos cerebrais) coletados durante o experimento que evocou raciocínio lógico espacial dos participantes foram modelados matematicamente por Fourier e interpretados por análise estatística – UNIVARIATE (análise de variância) e comparados aos resultados obtidos pelos instrumentos de apoio utilizados como forma de validar o processo investigativo: questionário verbal ao final do experimento e teste psicológico - subteste BPR5 – RE. Todos os dados coletados também foram armazenados com o propósito de permitir futura realização de outras simulações, com diferentes métodos de acesso aos conteúdos. Entende-se que os resultados obtidos nesse experimento possam colaborar com a Informática aplicada à Educação no planejamento, desenvolvimento e uso de objetos virtuais em ambientes destinados a mediar à aprendizagem, de acordo com necessidades específicas de cada público-alvo. Nesse sentido, os resultados dessa investigação podem prover dados ou características como medidas indicadoras de esforços cognitivos associados a perfis diferenciados, no caso das áreas de conhecimento, que envolvam processos de raciocínio espacial. O entendimento sobre o esforço manifestado pelo aluno durante o experimento foi interpretado como uma possível medida de um dos itens relacionados ao perfil cognitivo, à luz das Ciências Cognitivas (GARDNER, 1994, 2001), (STERNBERG, 2000), (PINKER, 1998). / The thesis is to contribute for the area of educational research in order to aid on the identification of cognitive profiles, using theoretical references from cognitive sciences and instrumentation from neurosciences. The project designed to meet the objectives of the thesis included the development of experimental methodology, supported by the statistical technique for Experiment Projects, along with neuroscientific instruments (use of electroencephalography with the ERP technique – Event Related Potential), for the observation, quantification, and interpretation of neuronal evidences – electroencephalography signals – related to the human cognitive process. It particularly searched for evidences related to different demands of energy spent to perform spatial activities (identification, perception, or spatial attention of virtual objects), based on theoretical and technological instruments of Neurosciences, Cognitive Sciences and Cognitive Psychology, used in the field of educational research, with the aim to contribute for the identification of different profiles of students in different areas of knowledge. In the experimental investigation, the purpose was to look for indicators (quantification of energy allocated in brain activity, measuring response time to the stimulus, larger magnitude in the frequency band of the brain electrical rhythm, evoked on the experiment) of the brain signals that would be synchronized with the exercise proposed and that could subsidize the hypothesis that there are significant differences between students from scientific and technological fields and students from humanistic and social fields, regarding spatial abilities. The proposal contextualizes and fundaments experiments with a group of volunteer students from the undergraduate programs, selected for the research, classified by age and gender, and evaluated and selected according to a psychological diagnostic indicating a probable area of cognitive ability / aptitude. The development of the investigative proposal that intended to meet the objectives mentioned was possible thanks to efforts of a group of researchers and scientists from different fields of knowledge, pertinent to the process, who collaborated on the modeling of the experiment, carried out at the Biosignal Laboratory of the University of Caxias do Sul, at the University Campus of Região dos Vinhedos, in its Electrical Engineering Program. The development of the measuring instrument was part of the experimental methodological process: the equipment for electroencephalography (EEG) using the system acquisition and conversion of analog to digital signal (manufacturer: National Instruments) and also the equipment known as Faraday’s Cage, which served to the collections of electrical brain signals of low frequency and amplitude, minimizing the presence of electromagnetic noises interfering significantly on the signal collected.The data collected (brain electrical signals) during the experiment that evoked logical spatial reasoning by the participants were mathematically modeled by Fourier and interpreted by statistical analysis – UNIVARIATE (variance analysis) and compared to results obtained by support instruments used as a way of validating the investigative process: a verbal questionnaire at the end of the experiment and a psychological test – subtest BPR5 – RE. All data collected were also saved with the purpose of making it possible to carry out other simulations in the future, with different access methods to the contents. It is understood that the results obtained with this experiment collaborate Informatics applied to Education on planning, developing, and using virtual objects in environments destined to mediate learning according to specific needs of each target public. In that sense, the results of this investigation may provide data or characteristics as measures indicating cognitive efforts associated to differentiated profiles, which are in this case the knowledge fields involving spatial reasoning processes. Understanding the effort manifested by the student during the experiment was interpreted as a possible measure for one of the items related to the cognitive profile, the light of Cognitive Sciences (GARDNER, 1994, 2001), (STERNBERG, 2000), (PINKER, 1998).
572

Technology and L2 writing : EFL student perspectives on electronic feedback using online learning logs

Zareekbatani, Alireza January 2015 (has links)
The use of instructional technology has opened up new avenues in education with broad implications in the foreign or additional language (L2) learning context. One of the research priorities is to explore student perceptions of the use of such modern means in their education which otherwise might not be anticipated. The present study aimed to determine (a) the perceived affordances as well as limitations of the information and communication technology (ICT) pedagogical application in coded corrective feedback (e-feedback) provision on L2 writing, (b) English as a foreign language (EFL) learners’ perspectives on using e-feedback to reduce their local and global mistakes, and (c) the type of self-regulated learning (SRL) behaviours, according to EFL students’ self-reports, electronic feedback and learning logs called forth in cognitive, affective, and metacognitive domains. The participants (n=48) were high-intermediate to advanced EFL learners from four cohorts enrolled on an International English Language Testing System (IELTS) preparation course in a branch of the Institute of Science and Technology in Tehran. Each cohort went through 84 face-to-face tutorial sessions in four months. During this period, they also wrote essays and received e-feedback on 12 IELTS Writing Task 2 prompts with a minimum of drafting work three times for each on an e-learning platform (www.ekbatani.ir) specially designed for this study. The data from all four cohorts were collected over the course of 11 months, using semi-structured interviews, online structured and unstructured learning logs, and an open-ended questionnaire to provide an in-depth picture of student perceptions of this technology mediation. Through a purely qualitative research design, the log, interview, and open-ended questionnaire data were analysed, categorised and coded. The findings represented students’ perceptions of the benefits of the e-feedback and learning logs as (i) offering a motivating and empowering means of providing EFL writing support, (ii) enhancing the thinking and problem-solving processes, (iii) a flexible and fast scaffolding approach for L2 writing improvement, and (iv) encouraging student writers’ active knowledge construction by helping them notice mistakes, focus on writing specifics, overcome the fear of writing, and grow confidence in L2 learning. The self-reported data indicated perceived limitations including (i) the time-consuming nature of the e-feedback processes, (ii) the occasional need for face-to-face discussions, peer feedback addition, providing supplements to e-feedback such as on-demand e-tutorials, and (iii) increased workload for the teacher in proportion to the number of students. Specific writing improvement was perceived to be locally in the use of punctuation signs and grammar, in spelling skills and the scope of vocabulary; and globally in organising ideas, finding ideas in the form of blueprints, and developing ideas into full-length essays. The student perceptions demonstrated that the learner-centred e-feedback environment created different affordances for students’ cognitive, affective, and metacognitive behaviours: (i) cognitively, it assisted the use and development of various learning strategies, enhanced student EFL writing experience, and increased awareness of error patterns in their essays; (ii) affectively, it supported students’ motivational processes, ability to appraise their progress, restore, and sustain positivity, and greater perceived self-efficacy beliefs in their own L2 writing skills; finally, (iii) metacognitive affordances included the ability to rethink and amend their plans as well as seek out support, ability to reflect on the writing processes holistically, ability to self-monitor to remain on course, and ability to devise and implement a plan of action mostly by finding a strategy to deal with mistakes and by taking greater caution in writing their future drafts. Despite arising from a particular contextual framework with the experience of particular cohorts of students, the findings can hopefully be of value to researchers and practitioners in the fields of online language pedagogy, second language acquisition (SLA), EFL writing, and computer-assisted language learning (CALL) with communication uses. The findings can assist language courseware designers, e-feedback platform developers, and L2 writing course administrators to support and enhance their practices and decisions, especially in providing and implementing ICT and SRL initiatives in EFL writing.
573

Sensibilisation à la protection de la vie privée dans un contexte d’utilisation de dispositifs portables intelligents

Fortin, Jean-François 03 1900 (has links)
No description available.
574

Work stress, work engagement and service delivery within Zimbabwe's changing distance-learning environment / Werkstres, werksbetrokkenheid en dienslewering in Zimbabwe se veranderende afstandsleeromgewing / Ingcindezi yomsebesenzi, ukusebenza ngokuzikhandla kanye nokuhlinzeka ngezinsiza ngaphansi kwesimo esiguqukayo sohlelo lokufunda ukude e-Zimbabwe

Dominic, Uzhenyu 11 1900 (has links)
This research was conducted from the perspective of a positive human behaviour paradigm in the context of human resource management. It investigated the interrelationships between work stress, work engagement and service delivery of academics in a changing distance-learning environment in Zimbabwe, for which there is a paucity of research. A descriptive, cross-sectional survey design was applied to a sample of 83 academics at the largest distance-learning university, against the background of their ever-changing roles. A sample of 101 students was also included, so that the students provided balanced data for analysis regarding their perception of service delivery by academics. Confirmatory and exploratory analysis revealed a four-construct measurement model for work stress, a three-construct measurement model for work engagement and a four-construct measurement model for service delivery. Correlational analysis and structural equation modelling revealed some significant relationships between these constructs. Tests for significant differences among different groups of academics and students based on socio-demographic variables were revealed and showed some interesting differences among these variables. The t-test did not reveal significant differences in service delivery perceptions between the academics and the students on the dimensions of responsiveness and assurance. The study makes a valuable contribution to the organisational behaviour literature in terms of how work stress and work engagement influence academics’ service delivery in a distance-learning university. On a theoretical level, the study did well to expand on available literature on the constructs of work stress, work engagement and service delivery provided by higher education distance-learning universities. The statistical techniques that were utilised expanded previous empirical studies by studying the interrelationship dynamics andoverall relationship dynamics between work stress, work engagement and service delivery provided by distance-learning universities. On a practical level, this study should bring new knowledge to managers at distance- learning universities by improving their understanding of how academics are affected by increasing, new job demands, which in turn increase their workload. Distance- learning universities thus should adapt their people management practices accordingly. Provision of adequate resources at both individual and organisational levels should be prioritised in order to minimise work stress and improve work engagement, and subsequently service delivery. / Hierdie navorsing is vanuit die perspektief van ’n positiewe menslike-gedragsparadigma in die konteks van menslikehulpbronbestuur uitgevoer. Dit het die onderlinge verhoudings tussen werkstres, werksbetrokkenheid en dienslewering van akademici in ’n veranderende afstandsleeromgewing in Zimbabwe, waaroor daar ’n gebrek aan navorsing is, ondersoek. ’n Beskrywende, deursnee-ondersoekontwerp is op ’n steekproef van 83 akademici by die grootste afstandsleeruniversiteit, teen die agtergrond van hulle voortdurend veranderende rolle, gedoen. ’n Steekproef van 101 studente is ook ingesluit sodat die studente gebalanseerde data vir ontleding rakende hulle persepsie van dienslewering deur die akademici kon verskaf. Bevestigende en verkenningsontleding het ’n vierkonstruk-metingsmodel vir werkstres, ’n driekonstruk-metingsmodel vir werksbetrokkenheid en ’n vierkonstruk-metingsmodel vir dienslewering aangetoon. Korrrelasie-ontleding en strukturele vergelykingsmodellering het betekenisvolle verhoudings tussen hierdie konstrukte uitgewys. Toetse vir beduidende verskille tussen die verskillende groepe akademici en studente, gegrond op sosio-demografiese veranderlikes, het interessante verskille tussen hierdie veranderlikes aangetoon. Die t-toets het nie beduidende verskille ten opsigte van diensleweringspersepsies tussen die akademici en die studente oor die dimensies van gevoeligheid en gerusstelling aangetoon nie. Die studie het ’n waardevolle bydra gelewer tot die literatuur oor organisatoriese gedrag en oor hoe werkstres en werksbetrokkenheid akademici se dienslewering by ’n afstandsleeruniversiteit kan beïnvloed. Op ’n teoretiese vlak het die studie ’n goeie viii bydra gelewer tot die beskikbare literatuur wat betref die konsepte van werkstres, werksbetrokkenheid en dienslewering wat deur hoëronderwys-afstandsleeruniversiteite verskaf word. Die statistiese tegnieke wat gebruik is, het voortgebou op vorige empiriese studies deur die onderlingeverhoudingsdinamika en algehele verhoudingsdinamika tussen werkstres, werksbetrokkenheid en dienslewering wat deur afstandsleeruniversiteite verskaf word, te bestudeer. Op ’n praktiese vlak behoort hierdie studie nuwe kennis verskaf aan bestuurders by afstandsleeruniversiteite deur hulle begrip te verbeter van hoe akademici deur toenemende, nuwe eise by die werk, wat op hulle beurt hul werkslading verhoog, beïnvloed word. Afstandsleeruniversiteite moet dus hulle mensebestuurspraktyke ooreenkomstig aanpas. Om voorsiening te maak vir voldoende hulpbronne op individuele sowel as organisatoriese vlakke, moet prioriteit daaraan gegee word om werkstres te verminder en werksbetrokkendheid, en uiteindelik dienslewering, te verbeter. / Lolu cwaningo lwenziwa ngokohlelo lomqondo wokuziphatha kahle komuntu, lokhu kwenzeka ngaphansi kohlelo lwezokuphathwa kwabasebenzi. Ucwaningo luye lwaphenya izinhlelo zobudlelwano obuphakathi kwengcindezi yomsebenzi, ukusebenza ngokuzikhandla kanye nokuhlinzeka ngemisebenzi yezifundiswa mayelana nesimo esiguqukayo sohlelo lokufunda ukude eZimbabwe, naphezu kokwentuleka kocwaningo. Idizayini yesaveyi echazayo naleyo yohlobo lwe-cross-sectionalzasetshenziswa kusampuli yezifundiswa ezingama-83 yezifundiswa enyuvesi enkulu yohlelo lokufunda ukude, phakathi kwezindima zenyuvesi ezihlala ziguquka njalo. Kuye kwafakwa isampuli yabafundi aba 101, ukuze abafundi banikeza uhlaziyo lwedatha elingene mayelana nomqondo wezokuhlinzeka ngezinsiza wezifundiswa. Izinhlelo zokuhlaziya eziqinisekisayo kanye nalezo ezihlolayo ziye zaveza imodeli elinganisayo yokwakha embaxa-zinne, okuyimodeli yokuhlinzeka ngezinsiza. Izinhlelo zokuhlaziya, phecelezi (correlation analysis) kanye nohlelo lokumodeli, phecelezi, (i-structural equation) ziye zaveza ubudlelwano obusemqoka obuphakathi kwalezi zakhiwo. Kuye kwavezwa izinhlelo zokuhlola ezahlukahlukene hlangana namaqembu ahlukahlukene ezifundiswa nabafundi, lokhu kususelwe phezu kwezimpawu zedemogilafi yezenhlalakahle yabantu, kanti lokhu kukhombise umehluko ohehayo hlangana nalezo zimpawu. Uhlelo lokuhlola, phecelezi i( t-test) aluzange luveze izimpawu ezehlukile ezimayelana nemiqondo yokuhlinzekwa ngezinsiza phakathi kwezifundiswa kanye nabafundi mayelana nemikhakha yendlela yokuphendula kanye nokuqinisekisa. Ucwaningo lwenze umsebenzi omkhulu omuhle mayelana nombhalo wokuziphatha kwenhlangano, mayelana nokuthi ingcindezi yomsebenzi kanye nokusebenza ngokuzikhandla kunomthintela muni phezu kokuhlinzeka ngomsebenzi kuzifundiswa enyuvesi yohlelo lokufunda ukude. Ngokwesigaba esiphathekayo, lolu cwaningo kufanele lulethe ulwazi olusha kubaphathi emanyuvesi ohlelo lokufunda ukude ngokuthuthukisa ulwazi lwabo mayelana nokuthi izifundiswa zithinteka kanjani ngokwengeza, izidingo ezintsha zomsebenzi, eziphinde zingeze umthwalo womsebenzi. Wazo. Ngalokho-ke, amanyuvesi ohlelo lokufunda ukude, kufanele ajwayele izingqubo zawo zokuphathwa kwabantu ngendlela efanele. Ukuhlinzekwa ngemithombo eyanele ezigabeni ezimbili, somuntu ngamunye nesigaba senhlangano kufanele kuqalwe ngakho ukuze kuncishiswe ingcindezi yomsebenzi kanye nokuthuthukisa indlela yokusebenza ngokuzikhandla, kanye nangokuhlinzeka ngezinsiza. / Business Management / D. Com. (Business Management)
575

Gender differences in teacher-student interactions, attitudes and achievement in middle school science

Eccles, Lynette January 2006 (has links)
Research has shown that interest in science often decreases in the middle-school grades for both boys and girls, but that more boys continue on the science track in high school and college, leading to males dominating the fields of science and engineering in the work place. The interpersonal interaction between teachers and students, as both individuals and as a group, comprises a large part of the classroom learning environment. Though these interactions last only a school year, they can influence student attitudes and achievement in the long term. Past research has suggested that a key factor in improving student achievement and attitudes is to create learning environments which emphasize characteristics that have been found to be linked empirically with achievement and attitudes. The purpose of this study was to use quantitative methods to validate a learning environment questionnaire (Questionnaire on Teacher Interaction, QTI), to investigate outcome-environment associations, and to compare male and female students in terms of their attitudes, classroom environment perceptions and achievement. An attitude scale, based on items from the Test of Science Related Attitudes (TOSRA), and a 48-item eight-scale version of the QTI were administered to 1228 science students in Grades 6, 7 and 8 at one middle school in South Florida. Student achievement was measured using the students’ quarterly (nine-week) science grade. / The results revealed satisfactory internal consistency reliability for the QTI, with alpha reliability coefficients ranging from 0.51 to 0.83 for different scales with the student as the unit of analysis and from 0.54 to 0.96 for class means. For the 10-item attitude scale, the alpha coefficient was above 0.80 for both the student and the class mean as the unit of analysis, demonstrating high internal consistency reliability. Overall, the results of the statistical analyses supported that the QTI questionnaire and the attitude scale are valid and reliable instruments for use with secondary science students in South Florida. A strong relationship was found between student outcomes (attitudes and achievement) and many of the eight QTI scales with either the individual or the class mean as the unit of analysis. For example, students’ attitudes towards science were more positive when teachers exhibited more leadership and understanding behaviors and science achievement was higher when teachers were friendlier and less uncertain. The use of MANOVA tentatively revealed gender differences in students’ perceptions of teacher interpersonal behavior, attitudes towards science, and science achievement. However, the differences between males and females were statistically significant only for the Helping/Friendly, Dissatisfied, and Admonishing scales of the QTI and for achievement. In general, relative to males, female students had more positive perceptions of teacher interpersonal behavior and higher academic achievement.
576

The virtualMe : a knowledge acquisition framework : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy (Ph.D.) in Information Systems at Massey University, Palmerston North, New Zealand

Verhaart, Michael Henry January 2008 (has links)
Throughout life, we continuously accumulate data, information and knowledge. The ability to recall much of this accumulated knowledge commonly deteriorates with time, though some forms part of what is referred to as tacit knowledge. In the context of education, students access and interact with a teacher’s knowledge in order to create their own, and may have their own data, information and knowledge that could be added to teacher’s knowledge for everyone’s benefit. The realization that students can contribute to enhancing personal knowledge is an important cornerstone in developing a mentor (teacher, tutor and facilitator) focused knowledge system. The research presented in this thesis discusses an integrated framework that manages an individual’s personal data, information and knowledge and enables it to be enhanced by others, in the context of a blended teaching and learning environment. Existing related models, structures, systems and current practices are discussed. The core outcomes of this thesis include: • the virtualMe framework that can be utilized when developing Web based teaching and learning systems; • the sniplet content model that can be used as the basis for sharing information and knowledge; • an annotation framework used to manage knowledge acquisition; and • a multimedia object (MMO) model that: o allows for related media artefacts to be intuitively grouped in a logical collection; o includes a meta-data schema that encompasses other metadata structures, and manages context and referencing; and o includes a model allowing component parts to be reaggregated if they are separated. The virtualMe framework provides the ability to retain context while transferring the content from one person to another and from one place to another. The framework retains the content’s original context and then allows the receiver to customise the content and metadata so that the content becomes that person’s knowledge. A mechanism has been created for such contextual transfer of content (context retained by the metadata).
577

Clinical supervision in selected hospitals, Cape Town: reflections on registered nurses lived experiences

Klerk, Kate January 2010 (has links)
The purpose of this qualitative explorative study is to explain individualized lived experiences of registered nurses working and participating in clinical supervision for nursing students within the clinical environment at selected hospitals. The study explores the challenges faced by registered nurses on a daily basis on how to structure clinical activities for the nursing students and provide high quality care to patients.
578

Fyra pedagogers skilda uppfattningar om utomhuspedagogik som fenomen

Kyller, Carola, Abedini, Mehrnaz January 2013 (has links)
Syftet med vårt examensarbete har varit att undersöka hur några valda pedagoger förhåller sig till utomhuspedagogik som en pedagogisk undervisningsmetod och diskutera dessa olika perspektiv av vad pedagogerna säger utifrån frågeställningarna i vårt syfte. Med hjälp av intervjuer har vi ställt frågor till fyra utvalda pedagoger som besitter skilda kunskaper och erfarenheter av utomhuspedagogik. I litteraturstudien mötte vi begrepp som forskare och teoretiker förknippade med utomhuspedagogik. Begrepp som direktkontakterfarenhet, sinnlig erfarenhet, autentisk lärandemiljö. Resultatet åskådliggör att pedagogerna ser fler fördelar än nackdelar med utomhuspedagogik. Några fördelar gällande utomhuspedagogiken framkom som mer rörelse i lärandet, bättre hälsa och att lära om objekt i sin verkliga miljö m.fl. En nackdel som flera av pedagogerna var överens om var personalbrist, tidsbristen gällande planering och de praktiska förberedelserna. Pedagogerna visade olika intresse för utomhuspedagogik men alla var överens om att det var en bra undervisningsmetod och några av dem ville gärna använda sig mer av det i sin undervisning i framtiden.
579

Entorno virtual para el aprendizaje y la evaluación automática en bases de datos

Soler i Masó, Josep 04 November 2010 (has links)
La enseñanza y evaluación automática a través de un sistema Computer Based Assessment (CBA) requiere de software especializado que se adapte a la tipología de actividades a tratar y evaluar. En esta tesis se ha desarrollado un entorno CBA que facilita el aprendizaje y evaluación de los principales temas de una asignatura de bases de datos. Para ello se han analizado las herramientas existentes en cada uno de estos temas (Diagramas Entidad/Relación, diagramas de clases, esquemas de bases de datos relacionales, normalización, consultas en álgebra relacional y lenguaje SQL) y para cada uno de ellos se ha analizado, diseñado e implementado un módulo de corrección y evaluación automática que aporta mejoras respecto a los existentes. Estos módulos se han integrado en un mismo entorno al que hemos llamado ACME-DB. / Teaching and automatic evaluation through Computer Based Assessment (CBA) requires of specialized software tools capable to correct different type of activities. In this work, we have analyzed the main topics of a database course (entity/ relationship diagrams, class diagrams, relational database schemas, normalization, relational algebra and SQL) and for each one of them we have reported the state of art on CBA tools. Afterwards, we have proposed a new CBA environment for teaching and learning database. This environment, denoted ACME-DB, is composed of different modules capable to automatically correct and evaluate exercises of main topics of a database course providing improvements over existing tools.
580

Investigating Elementary Students

Guvercin, Ozge 01 September 2008 (has links) (PDF)
This study investigated the effects of grade level and gender on elementary school students&rsquo / motivation towards science learning. This study was carried out during 2007-2008 fall semester at 12 public elementary schools in Yenimahalle districts of Ankara. A total of 2231 students (1121 boys, 1093 girls, 17 did not report their gender) participated in the study. In terms of grade level, 1164 were enrolled in 6th grade level and 1055 in 8th grade (12 did not report their grade level). Data were collected through Students&rsquo / Motivation Towards Science Learning Questionnaire (SMTSL). Two-way Multivariate Analysis of Variance (MANOVA) was conducted in order to identify the effects of grade level and gender on six dimensions of motivation (i.e. self efficacy, active learning strategies, learning environment stimulation, science learning value, achievement goal and performance goal) towards science learning. Two-way MANOVA results showed that grade level and gender had a significant effect on the collective dependent variables. Follow-up univariate analysis indicated that there was a significant difference between 6th and 8th grade students&rsquo / motivation towards science learning regarding mean scores on each motivational variable. In addition, mean scores on each motivational variable, except leaning environment stimulation, were significantly different for boys and girls, in favors of girls. Result demonstrated that students&rsquo / motivation towards science learning declined as the grade level increased and girls had a higher motivation towards science learning than boys.

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