Group items tagged

What is clear that although Twitter remains a useful tool for mobilizing efforts and gaining eyewitness accounts during a disaster, the sourcing of most of the news cannot be trusted. A quick trawl through the enormous numbers of tweets showed that most were sourced from mainstream media. Someone tweets a news headline, their friends see it and retweet, prompting an endless circle of recycled information

there must be a minimum of 5 public pictures in the account in order to start this review process.

If they are real pictures, the public photos in the account are added to the pool of pictures in flickr searches and RSS feeds.

In the course of looking for the pictures and creating the annotated hot spots they will be thinking about the material covered in a new way and strengthening the mental links to the concepts they have learned. I hope to make their learning sticky.

reating digital mind maps of the material we learned way back at the beginning of the semester.

At exam time they can review all the annotated pictures in the pool made by themselves and their classmates. They will be teaching and learning from each other.

They can use the pictures in projects, assignments and blog posts. I will also be able to use them the next time I teach the course to benefit the next group of students. They will be teaching people they have never met. They are also building a permanent resource collection.

They are talking to other students and teachers in the building about this. A buzz is growing. Can you imagine the conversations they are having at home? They are involving their families and friends in their learning.

As pictures began to come up in public searches on flickr for each of the unique course tags, I created a flickr badge (you'll have to "sign in" to follow that link) for each class. I put it in each blog's sidebar under the heading "Our Math Photo Gallery." The engine behind the badges is the RSS feed associated with each unique course tag. Flickr generates these RSS feeds automatically.

Perhaps the most important breakthrough was Google's willingness to relinquish control of the user-end of the transaction, instead of trying to lock them in with proprietary technology and restrictive licensing

O'Reilly took a second Web 2.0 principle from Peer-to-Peer pioneer BitTorrent, which works by completely decentralising the delivery of files, with every client also functioning as a server. The more popular a file, is, the faster it can be served, since there are more users providing bandwidth and fragments of the file. Thus, "the service automatically gets better the more people use it".

Taking another model from open source, users are treated as "co-developers", actively encouraged to contribute, and monitored in real time to see what they are using, and how they are using it.

"Until Web 2.0 the learning curve to creating websites was quite high, complex, and a definite barrier to entry," says the third of our triumvirate of Tims, Tim Bray, director of Web Technologies at Sun Microsystems.

Web 2.0 takes some of its philosophical underpinning from James Surowiecki's book The Wisdom of Crowds, which asserts that the aggregated insights of large groups of diverse people can provide better answers and innovations than individual experts.

In practice, even fewer than 1% of people may be making a useful contribution - but these may be the most energetic and able members of a very large community. In 2006 1,000 people, just 0.003% of its users, contributed around two-thirds of Wikipedia's edits.

Ajax speeds up response times by enabling just part of a page to be updated, instead of downloading a whole new page. Nielsen's objections include that this breaks the "back" button - the ability to get back to where you've been, which Nielsen says is the second most used feature in Web navigation.

"Everybody who has a Web browser has got that platform," says Berners-Lee, in a podcast available on IBM's developerWorks site. "So the nice thing about it is when you do code up an Ajax implementation, other people can take it and play with it."

Web 2.0 is a step on the way to the Semantic Web, a long-standing W3C initiative to create a standards-based framework able to understand the links between data which is related in the real world, and follow that data wherever it resides, regardless of application and database boundaries.

The problem with Web 2.0, Pemberton says, is that it "partitions the web into a number of topical sub-webs, and locks you in, thereby reducing the value of the network as a whole."

How do you decide which social networking site to join? he asks. "Do you join several and repeat the work?" With the Semantic Web's Resource Description Framework (RDF), you won't need to sign up to separate networks, and can keep ownership of your data. "You could describe it as a CSS for meaning: it allows you to add a small layer of markup to your page that adds machine-readable semantics."

The problems with Web 2.0 lock-in which Pemberton describes, were illustrated when a prominent member of the active 1%, Robert Scoble, ran a routine called Plaxo to try to extract details of his 5,000 contacts from Facebook, in breach of the site's terms of use, and had his account disabled. Although he has apparently had his account reinstated, the furore has made the issue of Web 2.0 data ownership and portability fiercely topical.

when Google announced its OpenSocial set of APIs, which will enable developers to create portable applications and bridges between social networking websites, Facebook was not among those taking part. Four years after O'Reilly attempted to define Web 2.0, Google, it seems, remains the standard-bearer, while others are forgetting what it was supposed to be about.

Over time, this collective learning results in practices that reflect both the pursuit of our enterprises and the attendant social relations. These practices are thus the property of a kind of community created over time by the sustained pursuit of a shared enterprise. It makes sense, therefore to call these kinds of communities communities of practice. (Wenger 1998: 45)

Rather than looking to learning as the acquisition of certain forms of knowledge, Jean Lave and Etienne Wenger have tried to place it in social relationships – situations of co-participation.

The fact that they are organizing around some particular area of knowledge and activity gives members a sense of joint enterprise and identity. For a community of practice to function it needs to generate and appropriate a shared repertoire of ideas, commitments and memories. It also needs to develop various resources such as tools, documents, routines, vocabulary and symbols that in some way carry the accumulated knowledge of the community.

The interactions involved, and the ability to undertake larger or more complex activities and projects though cooperation, bind people together and help to facilitate relationship and trust

The characteristics of communities of practice According to Etienne Wenger (c 2007), three elements are crucial in distinguishing a community of practice from other groups and communities: The domain. A community of practice is is something more than a club of friends or a network of connections between people. 'It has an identity defined by a shared domain of interest. Membership therefore implies a commitment to the domain, and therefore a shared competence that distinguishes members from other people' (op. cit.). The community. 'In pursuing their interest in their domain, members engage in joint activities and discussions, help each other, and share information. They build relationships that enable them to learn from each other' (op. cit.). The practice. 'Members of a community of practice are practitioners. They develop a shared repertoire of resources: experiences, stories, tools, ways of addressing recurring problems—in short a shared practice. This takes time and sustained interaction' (op. cit.).

Initially people have to join communities and learn at the periphery. The things they are involved in, the tasks they do may be less key to the community than others.

One of the implications for schools, as Barbara Rogoff and her colleagues suggest is that they must prioritize 'instruction that builds on children's interests in a collaborative way'. Such schools need also to be places where 'learning activities are planned by children as well as adults, and where parents and teachers not only foster children's learning but also learn from their own involvement with children' (2001: 3). Their example in this area have particular force as they are derived from actual school practice.

It not so much that learners acquire structures or models to understand the world, but they participate in frameworks that that have structure. Learning involves participation in a community of practice. And that participation 'refers not just to local events of engagement in certain activities with certain people, but to a more encompassing process of being active participants in the practices of social communities and constructing identities in relation to these communities' (Wenger 1999: 4).

What is more, and in contrast with learning as internalization, ‘learning as increasing participation in communities of practice concerns the whole person acting in the world’ (Lave and Wenger 1991: 49). The focus is on the ways in which learning is ‘an evolving, continuously renewed set of relations’ (ibid.: 50). In other words, this is a relational view of the person and learning (see the discussion of selfhood).

'the purpose is not to learn from talk as a substitute for legitimate peripheral participation; it is to learn to talk as a key to legitimate peripheral participation'. This orientation has the definite advantage of drawing attention to the need to understand knowledge and learning in context. However, situated learning depends on two claims: It makes no sense to talk of knowledge that is decontextualized, abstract or general. New knowledge and learning are properly conceived as being located in communities of practice (Tennant 1997: 77).

There is a risk, as Jean Lave and Etienne Wenger acknowledge, of romanticizing communities of practice.

'In their eagerness to debunk testing, formal education and formal accreditation, they do not analyse how their omission [of a range of questions and issues] affects power relations, access, public knowledge and public accountability' (Tennant 1997: 79).

Perhaps the most helpful of these explorations is that of Barbara Rogoff and her colleagues (2001). They examine the work of an innovative school in Salt Lake City and how teachers, students and parents were able to work together to develop an approach to schooling based around the principle that learning 'occurs through interested participation with other learners'.

Learning is in the relationships between people. As McDermott (in Murphy 1999:17) puts it: Learning traditionally gets measured as on the assumption that it is a possession of individuals that can be found inside their heads… [Here] learning is in the relationships between people. Learning is in the conditions that bring people together and organize a point of contact that allows for particular pieces of information to take on a relevance; without the points of contact, without the system of relevancies, there is not learning, and there is little memory. Learning does not belong to individual persons, but to the various conversations of which they are a part.

Learning is, thus, not seen as the acquisition of knowledge by individuals so much as a process of social participation. The nature of the situation impacts significantly on the process.

It's the spirit of science rather than hardcore curriculum that permeates SLA. "In science education, inquiry-based learning is the foothold," Lehmann says. "We asked, 'What does it mean to build a school where everything is based on the core values of science: inquiry, research, collaboration, presentation, and reflection?'"

It means the first-year curriculum is built around essential questions: Who am I? What influences my identity? How do I interact with my world? In addition to science, math, and engineering, core courses include African American history, Spanish, English, and a basic how-to class in technology that also covers Internet safety and the ethical use of information and software. Classes focus less on facts to be memorized and more on skills and knowledge for students to master independently and incorporate into their lives. Students rarely take tests; they write reflections and do "culminating" projects. Learning doesn't merely cross disciplines -- it shatters outdated departmental divisions. Recently, for instance, kids studied atomic weights in biochemistry (itself a homegrown interdisciplinary course), did mole calculations in algebra, and created Dalton models (diagrams that illustrate molecular structures) in art.

This is Dewey for the digital age, old-fashioned progressive education with a technological twist.

computers and networking are central to learning at, and shaping the culture of, SLA. "

he zest to experiment -- and the determination to use technology to run a school not better, but altogether differently -- began with Lehmann and the teachers last spring when they planned SLA online. Their use of Moodle, an open source course-management system, proved so easy and inspired such productive collaboration that Lehmann adopted it as the school's platform. It's rare to see a dog-eared textbook or pad of paper at SLA; everybody works on iBooks. Students do research on the Internet, post assignments on class Moodle sites, and share information through forums, chat, bookmarks, and new software they seem to discover every day.

Teachers continue to use Moodle to plan, dream, and learn, to log attendance and student performance, and to talk about everything -- from the student who shows up each morning without a winter coat to cool new software for tagging research sources. There's also a schoolwide forum called SLA Talk, a combination bulletin board, assembly, PA system, and rap session.

Web technology, of course, can do more than get people talking with those they see every day; people can communicate with anyone anywhere. Students at SLA are learning how to use social-networking tools to forge intellectual connections.

In October, Lehmann noticed that students were sorting themselves by race in the lunchroom and some clubs. He felt disturbed and started a passionate thread on self-segregation.

"Having the conversation changed the way kids looked at themselves," he says.

"What I like best about this school is the sense of community," says student Hannah Feldman. "You're not just here to learn, even though you do learn a lot. It's more like a second home."

As part of the study of memoirs, for example, Alexa Dunn's English class read Funny in Farsi, Firoozeh Dumas's account of growing up Iranian in the United States -- yes, the students do read books -- and talked with the author in California via Skype. The students also wrote their own memoirs and uploaded them to SLA's network for the teacher and class to read and edit. Then, digital arts teacher Marcie Hull showed the students GarageBand, which they used to turn their memoirs into podcasts. These they posted on the education social-networking site EduSpaces (formerly Elgg); they also posted blogs about the memoirs.