69,241 research outputs found
How do I enhance motivation to learn and higher order cognition among students of Science through the use of a virtual learning environment?
In this paper I explore the capacity of Moodle to enhance the teaching and learning of Leaving Certificate Biology within a small urban secondary school. I simultaneously investigate the potential of the technology to enhance higher-order cognition and motivation to learn among the students. Adopting an action research approach has led me to a much deeper understanding of the tacit knowledge that inspires my work. The chief stimulus to my research was the realisation that my explicit practice was in negation of my implicit values. I have come to know my practice and over time changed it. I can now see evidence of a greater congruence between my espoused core educational values and my explicit actions. Cycle one of the research focuses on setting up and introducing Moodle to a group of Biology students. The second cycle shows the feasibility of a community of enquiry through a discussion-forum. A process of social validation runs concurrently, in which interested individuals substantiate my claim that my core educational values are being translated into my practice. Throughout I learn to strike a balance between co-learner and guide. Consequently the students come to act as co-authors in moving away from authoritarian dissemination of facts. This facilitates a community of inquiry, revolving around the collaborative negotiation of meaning. There is clear evidence of increased higher-order cognition and motivation to learn among the participants within this virtual community
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Teaching practical science online using GIS: a cautionary tale of coping strategies
Strong demand for GIS and burgeoning cohorts have encouraged the delivery of GIS teaching via online distance education models. This contribution reviews a brief foray (2012â2014) into this field by the Open University, deploying open source GIS software to enable students to perform practical science investigations online. The âRemote observationâ topic spanned four science disciplines in 6 weeks â an ambitious remit within an innovative overarching module. Documenting the challenges and strategies involved, this paper uses forum usage and student feedback data to derive insights into the student experience and the pitfalls and pleasures of teaching GIS at a distance
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Learning by volunteer computing, thinking and gaming: What and how are volunteers learning by participating in Virtual Citizen Science?
Citizen Science (CS) refers to a form of research collaboration that engages volunteers without formal scientific training in contributing to empirical scientific projects. Virtual Citizen Science (VCS) projects engage participants in online tasks. VCS has demonstrated its usefulness for research, however little is known about its learning potential for volunteers. This paper reports on research exploring the learning outcomes and processes in VCS. In order to identify different kinds of learning, 32 exploratory interviews of volunteers were conducted in three different VCS projects. We found six main learning outcomes related to different participants' activities in the project. Volunteers learn on four dimensions that are directly related to the scope of the VCS project: they learn at the task/game level, acquire pattern recognition skills, on-topic content knowledge, and improve their scientific literacy. Thanks to indirect opportunities of VCS projects, volunteers learn on two additional dimensions: off topic knowledge and skills, and personal development. Activities through which volunteers learn can be categorized in two levels: at a micro (task/game) level that is direct participation to the task, and at a macro level, i.e. use of project documentation, personal research on the Internet, and practicing specific roles in project communities. Both types are influenced by interactions with others in chat or forums. Most learning happens to be informal, unstructured and social. Volunteers do not only learn from others by interacting with scientists and their peers, but also by working for others: they gain knowledge, new status and skills by acting as active participants, moderators, editors, translators, community managers, etc. in a project community. This research highlights these informal and social aspects in adult learning and science education and also stresses the importance for learning through the indirect opportunities provided by the project: the main one being the opportunity to participate and progress in a project community, according to one's tastes and skills
Events and Controversies: Influences of a Shocking News Event on Information Seeking
It has been suggested that online search and retrieval contributes to the
intellectual isolation of users within their preexisting ideologies, where
people's prior views are strengthened and alternative viewpoints are
infrequently encountered. This so-called "filter bubble" phenomenon has been
called out as especially detrimental when it comes to dialog among people on
controversial, emotionally charged topics, such as the labeling of genetically
modified food, the right to bear arms, the death penalty, and online privacy.
We seek to identify and study information-seeking behavior and access to
alternative versus reinforcing viewpoints following shocking, emotional, and
large-scale news events. We choose for a case study to analyze search and
browsing on gun control/rights, a strongly polarizing topic for both citizens
and leaders of the United States. We study the period of time preceding and
following a mass shooting to understand how its occurrence, follow-on
discussions, and debate may have been linked to changes in the patterns of
searching and browsing. We employ information-theoretic measures to quantify
the diversity of Web domains of interest to users and understand the browsing
patterns of users. We use these measures to characterize the influence of news
events on these web search and browsing patterns
Growing trees in Internet news groups and forums
We present an empirical study of the networks created by users within internet news groups and forums and show that they organ- ise themselves into scale-free trees. The structure of these trees depends on the topic under discussion; specialist topics have trees with a short shallow structure whereas more universal topics are discussed widely and have a deeper tree structure. For news groups we find that the distribu- tion of the time intervals between when a message is posted and when it receives a response exhibits a composite power-law behaviour. From our statistics we can see if the news group or forum is free or is overseen by a moderator. The correlation function of activity, the number of messages posted in a given time, shows long range correlations connected with the usersâ daily routines. The distribution of distances between each message and its root is exponential for most news groups and power-law for the fo- rums. For both formats we find that the relation between the supremacy ( the total number of nodes that are under the node i, including node i) and the degree is linear s(k) k, in contrast to the analytical relation for Barab´asi-Albert network
An integrated ranking algorithm for efficient information computing in social networks
Social networks have ensured the expanding disproportion between the face of
WWW stored traditionally in search engine repositories and the actual ever
changing face of Web. Exponential growth of web users and the ease with which
they can upload contents on web highlights the need of content controls on
material published on the web. As definition of search is changing,
socially-enhanced interactive search methodologies are the need of the hour.
Ranking is pivotal for efficient web search as the search performance mainly
depends upon the ranking results. In this paper new integrated ranking model
based on fused rank of web object based on popularity factor earned over only
valid interlinks from multiple social forums is proposed. This model identifies
relationships between web objects in separate social networks based on the
object inheritance graph. Experimental study indicates the effectiveness of
proposed Fusion based ranking algorithm in terms of better search results.Comment: 14 pages, International Journal on Web Service Computing (IJWSC),
Vol.3, No.1, March 201
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