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Análise de Usabilidade de um Sistema de EaD Baseada em Modelos Markovianos e em Taxonomia 基于马尔可夫模型和分类法的远程教育系统可用性分析
Brazilian Journal of Computers in Education Pub Date : 2014-03-08 DOI: 10.5753/RBIE.2013.21.03.40
Janaina Rodrigues Penedo, M. Diniz, S. Ferreira, D. Silveira, E. Capra
{"title":"Análise de Usabilidade de um Sistema de EaD Baseada em Modelos Markovianos e em Taxonomia","authors":"Janaina Rodrigues Penedo, M. Diniz, S. Ferreira, D. Silveira, E. Capra","doi":"10.5753/RBIE.2013.21.03.40","DOIUrl":"https://doi.org/10.5753/RBIE.2013.21.03.40","url":null,"abstract":"The effectiveness of E-learning resides mainly in the interactivity between student / interface / teacher. Understand how the user behaves when it is connected to the system, creates opportunities for improvements in several areas, including usability. This paper proposes a usability methodology for web systems based on Markovian models and taxonomy. The use of two methods allows a more complete assessment of usability, since the Markovian allow a quantitative assessment that is complemented with the qualitative assessment provided by inspection of taxonomy. A case study of an E-learning application in use for over 5 years and with more than 60 thousand students is presented to validate the proposal.","PeriodicalId":191188,"journal":{"name":"Brazilian Journal of Computers in Education","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130896929","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Development of a methodology for software development to factory software an educational institution 开发一种软件开发方法，以使教育机构的软件工厂化
Brazilian Journal of Computers in Education Pub Date : 2013-09-30 DOI: 10.5753/RBIE.2013.21.02.52
Mírian C. A. Brito
{"title":"Development of a methodology for software development to factory software an educational institution","authors":"Mírian C. A. Brito","doi":"10.5753/RBIE.2013.21.02.52","DOIUrl":"https://doi.org/10.5753/RBIE.2013.21.02.52","url":null,"abstract":"The Instituto Federal de Goias - Inhumas campus, has a suppressed demand for software projects today can not be satisfied with the structure and staffing available. Moreover, students of the campus need practical experiences that enable them for the job market. Given this context, is being deployed a Software Factory for the purpose of providing practical application to students and also facilitate the development of systems according to the needs of the campus, joining the efforts institute servers with teachers and students. A Software Factory must have, among other things, a well formulated development methodology that ensures the continuity of projects throughout her life, regardless of the team members. It is with this objective that aims to formulate a standard methodology that is appropriate to the needs of the institute offering the best working conditions for the teams involved in the Software Factory – Inhumas campus. For this, we conducted a bibliographic study of methodologies most prestigious literature and used in the labor market.","PeriodicalId":191188,"journal":{"name":"Brazilian Journal of Computers in Education","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133417454","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Ensino de Programação no Ensino Médio: Uma Abordagem Orientada ao Design com a linguagem Scratch 高中编程教学:Scratch语言的设计导向方法
Brazilian Journal of Computers in Education Pub Date : 2013-08-30 DOI: 10.5753/RBIE.2013.21.02.92
P. Scaico, A. A. Lima, S. Azevedo, Jefferson Barbosa Belo da Silva, Ewerton Henning Souto Raposo, L. F. Paiva, Yugo Alencar, João Paulo Pereira Mendes, Alexandre Scaico
{"title":"Ensino de Programação no Ensino Médio: Uma Abordagem Orientada ao Design com a linguagem Scratch","authors":"P. Scaico, A. A. Lima, S. Azevedo, Jefferson Barbosa Belo da Silva, Ewerton Henning Souto Raposo, L. F. Paiva, Yugo Alencar, João Paulo Pereira Mendes, Alexandre Scaico","doi":"10.5753/RBIE.2013.21.02.92","DOIUrl":"https://doi.org/10.5753/RBIE.2013.21.02.92","url":null,"abstract":"Programming is extremely important and is an ability that should be taught not only to computer science students. Several aspects have shown the relevance of developing skills related to programming with students at school level, which may result in useful abilities regarding the resolution of problems and fluency in the use of technologies. This work presents an experience report regarding the results of a project to introduce programming to high school students from public schools, through a pedagogic approach that stimulates the creativity and exploration. This article describes a programming contest that was developed to motivate students and was used to evaluation.","PeriodicalId":191188,"journal":{"name":"Brazilian Journal of Computers in Education","volume":"132 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132278858","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 46
Teaching geometry to visually impaired people: the dynamic environment Geometrix 教视障人士几何:动态环境Geometrix
Brazilian Journal of Computers in Education Pub Date : 2013-08-30 DOI: 10.5753/RBIE.2013.21.02.62
Lidiane Figueiras Silva, J. Borges, Cabral Lima, Adriana Soares
{"title":"Teaching geometry to visually impaired people: the dynamic environment Geometrix","authors":"Lidiane Figueiras Silva, J. Borges, Cabral Lima, Adriana Soares","doi":"10.5753/RBIE.2013.21.02.62","DOIUrl":"https://doi.org/10.5753/RBIE.2013.21.02.62","url":null,"abstract":"This paper shows an original research on the teaching of geometry for visually impaired people. Geometrix, a new dynamic environment specially designed and implemented for this purpose, is detailed as well as a field research conducted with a control group of sighted people and an experimental group of visually impaired people. The results of this research established the hypothesis that the use of dynamic computing environments in the education of visually impaired people can help the development, retention and application of abstract concepts. The commitment to develop an pragmatic and adequate environment in regard to the sui generis characteristics of its users supported the foremost purposes of providing peremptory and autonomous learning of geometric concepts, as well as providing adequate applications of these concepts in teaching and learning processes. The results also showed that Geometrix can help visually impaired people to improve their spatial positions. Comparative analyses on time of acquisition of geometric concepts by visually impaired people have concluded that the environment has a better performance than the traditional teaching in classrooms.","PeriodicalId":191188,"journal":{"name":"Brazilian Journal of Computers in Education","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132673956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Introducing GenVirtual: an augmented reality musical interface to support the “music-making” for people with motor and cognitive disability 介绍GenVirtual:一个增强现实音乐界面，支持运动和认知障碍人士的“音乐制作”
Brazilian Journal of Computers in Education Pub Date : 2013-08-30 DOI: 10.5753/RBIE.2013.21.02.118
Ana Grasielle Dionísio Corrêa, M. Nascimento, I. Ficheman, R. Lopes
{"title":"Introducing GenVirtual: an augmented reality musical interface to support the “music-making” for people with motor and cognitive disability","authors":"Ana Grasielle Dionísio Corrêa, M. Nascimento, I. Ficheman, R. Lopes","doi":"10.5753/RBIE.2013.21.02.118","DOIUrl":"https://doi.org/10.5753/RBIE.2013.21.02.118","url":null,"abstract":"This paper presents the research and development of GenVirtual, an augmented reality musical interface to support the “music-making” for children with physical disabilities and cognitive. GenVirtual enables adding in the real world, virtual objects that emit audible sounds of various musical instruments like the stringed, wind and percussion. Virtual objects are handled naturally by hand, without the use of conventional apparatuses interaction. During the development phase, GenVirtual was evaluated by a group of 11 experts in music in order to validate the set of requirements related to pedagogical and therapeutic \"make music\". At the end of development, GenVirtual was evaluated by a group of 5 children with cognitive and motor deficits in music therapy sessions. Results showed that GenVirtual possible approaches used in the \"musicmaking\". Moreover, improved performance and stimulating action of children, these characteristics that contribute to motivation during the “music-making”.","PeriodicalId":191188,"journal":{"name":"Brazilian Journal of Computers in Education","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125726136","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The Use of Interactive Animations for Introducing the Concepts of Mechanical Energy in High School 运用互动动画在高中课程中介绍机械能的概念
Brazilian Journal of Computers in Education Pub Date : 2013-08-30 DOI: 10.5753/RBIE.2013.21.02.01
Waltrudes Everton Sanches, J. Schimiguel, Mauro Sérgio Teixeira de Araújo
{"title":"The Use of Interactive Animations for Introducing the Concepts of Mechanical Energy in High School","authors":"Waltrudes Everton Sanches, J. Schimiguel, Mauro Sérgio Teixeira de Araújo","doi":"10.5753/RBIE.2013.21.02.01","DOIUrl":"https://doi.org/10.5753/RBIE.2013.21.02.01","url":null,"abstract":"This study aimed to investigate whether the use of computational interactive animations in the function of previous organizers, may favor the processes of teaching and learning the concepts of Mechanical Energy. To that end, we developed an interactive animation, called Energia no Bate - estaca, and we employed a study that evaluated the influence of the use of this feature with the 1650 students enrolled in three shifts of high school in a public school in Sao Luis. It has been used as instruments of data collection tests containing questions that addressed the concepts of Mechanical Energy, involving as dependent variable the average scores obtained by groups of students in each stage of the research and as an independent variable employment of interactive animation. To check the influence of the manipulation of the independent variable on the mean scores of the groups, we used the difference method or plan of proof of classic hypotheses. The results suggest that the use of interactive animations as previous organizers is feasible and effective to facilitate the teaching-learning concepts of Mechanical Energy.","PeriodicalId":191188,"journal":{"name":"Brazilian Journal of Computers in Education","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133809161","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Laboratório virtual como alternativa didática para auxiliar o ensino de química no ensino médio 虚拟实验室作为辅助高中化学教学的教学选择
Brazilian Journal of Computers in Education Pub Date : 2013-08-30 DOI: 10.5753/RBIE.2013.21.02.27
Guilherme Leocárdio Lucena, V. D. Santos, Afrânio Gabriel da Silva
{"title":"Laboratório virtual como alternativa didática para auxiliar o ensino de química no ensino médio","authors":"Guilherme Leocárdio Lucena, V. D. Santos, Afrânio Gabriel da Silva","doi":"10.5753/RBIE.2013.21.02.27","DOIUrl":"https://doi.org/10.5753/RBIE.2013.21.02.27","url":null,"abstract":"The experimental activity is an indispensable practice in the process of knowledge development in chemistry and the lack of modern and equipped laboratories is one of the main reasons of the separation between theoretical approach and the practical one. This problem is experienced by most of high schools in Brazil. Due to the growing of globalizing information and the need to improve the quality of education, there is a growing interest in the using of new methods in the educational process, in order to arouse the interest of the learner. This study describes the use of virtual labs, which simulate chemical experiments, as a didactic-pedagogic instrument, to help teachers to conduct experimental activities in high schools. It was found that the use of educational software for teaching chemistry has led to a great approval by the academics consulted. Regarding the enhancement of learning, the use of the computational resources contributed significantly the understanding of the content by the students, allowing the better relationship between theory and practice.","PeriodicalId":191188,"journal":{"name":"Brazilian Journal of Computers in Education","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131580444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
An Environment for Remotes Laboratories Practices of Physics: A Study of the Mathematical Pendulum 远程实验室物理实践环境:数学钟摆的研究
Brazilian Journal of Computers in Education Pub Date : 2013-08-30 DOI: 10.5753/RBIE.2013.21.02.78
Vinícyus Santos Guimarães, C. Oliveira, Jeferson Alves Oliveira, Robson Mendes Reis, Ivanor Nunes de Oliveira, Maísa Soares Santos Lopes
{"title":"An Environment for Remotes Laboratories Practices of Physics: A Study of the Mathematical Pendulum","authors":"Vinícyus Santos Guimarães, C. Oliveira, Jeferson Alves Oliveira, Robson Mendes Reis, Ivanor Nunes de Oliveira, Maísa Soares Santos Lopes","doi":"10.5753/RBIE.2013.21.02.78","DOIUrl":"https://doi.org/10.5753/RBIE.2013.21.02.78","url":null,"abstract":"The use of new technology to the measurements and preparation of experimental data has been observed in recent years. These resources are used in the context of scientific research, but are now also being introduced in laboratory teaching practices in several areas. The main objective of this paper is to present the most important aspects for remote laboratory practice in physics, aiming to provide computational tools of last generation, applied in teaching / learning. In this context, the laboratory work presents the study of the mathematical pendulum from the model of remote laboratory will be used as case study to validate the new technique of teaching / learning, in which the computer is used throughout the scope of laboratory practice. With the aid of this model, we intend to: a) study the oscillations of a simple pendulum, b) determine the conditions under which a pendulum may be considered mathematical pendulum c) Measure the acceleration of gravity with the aid of mathematical pendulum automated . It is also intended, through the use of remote laboratory model, create the conditions for an effective link between theory and experiment, allowing their use in methods of classroom teaching and distance.","PeriodicalId":191188,"journal":{"name":"Brazilian Journal of Computers in Education","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128071914","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
O uso do blog como ferramenta pedagógica: um estudo de caso com professores participantes do Projeto Um Computador por Aluno (UCA) 使用博客作为教学工具:与参与“每个学生一台电脑”项目的教师进行个案研究
Brazilian Journal of Computers in Education Pub Date : 2013-08-29 DOI: 10.5753/RBIE.2013.21.02.12
Renata Lopes Jaguaribe Pontes, J. A. C. Filho
{"title":"O uso do blog como ferramenta pedagógica: um estudo de caso com professores participantes do Projeto Um Computador por Aluno (UCA)","authors":"Renata Lopes Jaguaribe Pontes, J. A. C. Filho","doi":"10.5753/RBIE.2013.21.02.12","DOIUrl":"https://doi.org/10.5753/RBIE.2013.21.02.12","url":null,"abstract":"This paper describes the results of an investigation concerning the te appropriation and use of blog teaching and learning tool by teachers. The methodological approach adopted was qualitative with a case study strategy. Participantes were Three elementary teachers from a public school in Fortaleza, Ceara, awarded with the One Laptop per Student projetc (UCA). Data were collected using participant observation and semi-structured interviews. Results indicate that teachers were initially unaware of Blog educational possibilities. During the the investigation, they have advanced in the instrumental and pedagogical use and conducted experimental lessons which encouraged students to network interaction and collaboration. The program undertaken stimulated innovative pedagogical practices related to the Web 2.0 collaboration and coauthoring philosophy. In conclusion, to keep sustainable practice, continuous training and encouragement on the use of Blog and other Web 2.0 tools are needed.","PeriodicalId":191188,"journal":{"name":"Brazilian Journal of Computers in Education","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125202102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ferramentas de autoria e de colaboração: discutindo a acessibilidade e a usabilidade na perspectiva da Web 2.0 创作和协作工具:从Web 2.0的角度讨论可访问性和可用性
Brazilian Journal of Computers in Education Pub Date : 2013-04-30 DOI: 10.5753/RBIE.2013.21.01.121
L. Santarosa, D. Conforto, Lourenço de Oliveira Basso
{"title":"Ferramentas de autoria e de colaboração: discutindo a acessibilidade e a usabilidade na perspectiva da Web 2.0","authors":"L. Santarosa, D. Conforto, Lourenço de Oliveira Basso","doi":"10.5753/RBIE.2013.21.01.121","DOIUrl":"https://doi.org/10.5753/RBIE.2013.21.01.121","url":null,"abstract":"Among the aspects that characterize the Web 2.0, we can highlight two important movements: the possibility of impelling the protagonism through writing tools and online collaboration, and the principles of pervasive computing. Both movements are highly relevant when the people involved in the mediation process present any kind of special needs. This work has been built on the interlacement of these movements, as we question the set of resources assigned to open spaces of individual and collective authorship inside the AVA Eduquito, which is a virtual environment that was implemented according to accessibility and usage criteria throughout its development and validation processes.","PeriodicalId":191188,"journal":{"name":"Brazilian Journal of Computers in Education","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124395839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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