This chapter will introduce you to the field of science known as Network Theory and tell you about the major researches that took place since its conceptualization. Since the course in question is social computing the chapter is written in a way to give examples and illustrations which mostly relate to social computing. It also contains theories and information which are mostly related to network theory and have some or no relation to social computing. But the basic purpose of this chapter is to explain Network theory and its applications in the field of social computing.
Os dejo una presentación muy reciente de Stephen Downes, como referencia hacia lo que debemos tender como formadores en el contexto del Proyecto Guadalinfo.
Valedictory Lecture
Making Thinking Visible in Complex Times
Prof Simon Buckingham Shum
This event took place on 15th July 2014 at 4:00pm (15:00 GMT)
Berrill Lecture Theatre, The Open University, Walton Hall Campus, Milton Keynes, United Kingdom
In 1968 Doug Engelbart gave “The Mother of All Demos”: a disruptive technology lab had quietly invented the mouse, collaborative on-screen editing, hyperlinks, video conferencing, and much more. This was the start of the paradigm shift, still unfolding: computers were no longer to be low level number crunchers, but might mediate and mould the highest forms of human thinking, both individual and collective. In this talk I review nearly 19 years in KMi chasing this vision with many colleagues, inventing tools for making dialogue, argument and learning processes visible in different ways. How do we harness such tools to tackle, not aggravate, the fundamental challenge facing the educational system, and its graduates: to think broadly and deeply, and to thrive amidst profound uncertainty and complexity? These are the hallmarks of the OU — and indeed, all true education from primary school onwards.
This chapter will introduce you to the field of science known as Network Theory and tell you about the major researches that took place since its conceptualization. Since the course in question is social computing the chapter is written in a way to give examples and illustrations which mostly relate to social computing. It also contains theories and information which are mostly related to network theory and have some or no relation to social computing. But the basic purpose of this chapter is to explain Network theory and its applications in the field of social computing.
Os dejo una presentación muy reciente de Stephen Downes, como referencia hacia lo que debemos tender como formadores en el contexto del Proyecto Guadalinfo.
Valedictory Lecture
Making Thinking Visible in Complex Times
Prof Simon Buckingham Shum
This event took place on 15th July 2014 at 4:00pm (15:00 GMT)
Berrill Lecture Theatre, The Open University, Walton Hall Campus, Milton Keynes, United Kingdom
In 1968 Doug Engelbart gave “The Mother of All Demos”: a disruptive technology lab had quietly invented the mouse, collaborative on-screen editing, hyperlinks, video conferencing, and much more. This was the start of the paradigm shift, still unfolding: computers were no longer to be low level number crunchers, but might mediate and mould the highest forms of human thinking, both individual and collective. In this talk I review nearly 19 years in KMi chasing this vision with many colleagues, inventing tools for making dialogue, argument and learning processes visible in different ways. How do we harness such tools to tackle, not aggravate, the fundamental challenge facing the educational system, and its graduates: to think broadly and deeply, and to thrive amidst profound uncertainty and complexity? These are the hallmarks of the OU — and indeed, all true education from primary school onwards.
Developing Cognitive Systems to Support Team Cognitiondiannepatricia
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This is a talk about activity systems analysis and its application for design research. This talk was prepared for students and faculty at Florida State University.
A Framework for Multi-Level Analysis of Distributed Interactionsuthers
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Developing Cognitive Systems to Support Team Cognitiondiannepatricia
Steve Fiore from the University of Central Florida presented “Developing Cognitive Systems to Support Team Cognition” as part of the Cognitive Systems Institute Speaker Series
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While considerable attention has been given to the concept of learning – what it is, how we might know it when we see it, and how to intervene in it – by contrast, technology remains under-theorised. While theoretical approaches that have developed accounts of the relationship between technology and human action, few of these are well represented within educational technology or networked learning. This paucity of theorisation has resulted in simplistic accounts of the role of technology in various kinds of learning, usually involving some kind of causal or determining mechanism. Such accounts are vulnerable to critique (e.g. Friesen, 2009), but nonetheless remain prevalent.
In this paper, I will recap some of the problems with this position, and then consider alternatives that address issues around agency and the role of the social. Specifically, drawing on Mol’s concept of praxiology, developed in the context of work on the constitution of diseases in medical practice, I will explore alternative ways in which educational uses of technology can be understood. This value of this will be illustrated through the design of a study of digital literacies. Some implications of this include for researchers – including concerns about reflexivity – will then be drawn out.
Presentation given at the SRHE (Society for Research into Higher Education) conference, December 2015, Newport, South Wales. How has digital literacy been defined in different ways in the last 40 years? Is it a way of confirming authority, or redistributing it?
This is a talk about activity systems analysis and its application for design research. This talk was prepared for students and faculty at Florida State University.
A Framework for Multi-Level Analysis of Distributed Interactionsuthers
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2011.11.28 Collective Intelligence - Problems and PossibilitiesNUI Galway
Dr Michael Hogan, School of Psychology, NUI Galway presented this seminar "Collective Intelligence - Problems and Possibilities" as part of the Break the Barrier Seminar Series at the Whitaker Institute on 28th November 2011.
keynote at the European Conference on Educational Research in Cádiz, pre-conference on emerging researchers. About networked learning for lifelong learning for all
“Progress and Challenges in Interactive Cognitive Systems”diannepatricia
A presentation by Pat Langley, University of Auckland, Director for Institute for the Study of Learning and Expertise, and 35 year contributor to Artificial Intelligence - his presentation to Cognitive Systems Institute Speaker Series on December 3, 2015.
Comparison of methods – an unloved duty? Examples from an ongoing bibliometri...Andrea Scharnhorst
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Toward a science of group cognition in CSCL
1. Gerry Stahl Group cognition: Research toward a scientific foundation for computer-supported collaborative learning
2. Core research questions for CSCL CSCL is “meaning making” (Koschmann) Research question #1: how is group meaning created in small groups? Research question #2: what is the nature of group cognition—the achievement of cognitive accomplishments by groups? Research question #3: how should CSCL environments be designed to support group cognition? 2
3. Support for Groups Single-user productivity tools: known technology & design methods (HCI) Social networking: new technology & haphazard design (Web 2.0 user-driven) Software of group learning: CSCL computer-supported collaborative learning Much more complex HCI & design & dissemination issues Much progress in virtual community social computing but not in small-group collaboration in past 20 years 3
4. 3 Levels of Cognitive Description The individual actor (person) is described by (various theories in) cognitive psychology The small-group cognition is what emerges in the interactions among the utterances of the individual participants The social / cultural / community of practice / linguistic community is the institutionalized, persistent, shared results of the above The study of these different levels requires different Units of Analysis 4
5. Theories of Groups HCI was based on theories of cognitive psychology of the individual Now we need a science of the small group Especially the computer-mediated, online, virtual group To guide design of instructional technology for collaborative learning we need to understand how groups build knowledge, solve problems, pursue inquiry, explore, conceive, design 5
6. Sciences of Groups Sciences of individual cognition Social psychology Educational psychology Cognitive psychology Organizational management Sciences of social & cultural cognition sociology, cultural anthropology, linguistics, etc. But no sciences of small group cognition! 6
7. Sciences of Groups Of course, there has been research and theories about small groups What are the advantages and dangers? Do students learn more in groups? What about group size, heterogeneity, gender, socio-economics, …? But not about how groups achieve cognitive goals 7
8. Sciences of Groups Lots of talk of “meaning making” and “sense making”, but no analysis of how this takes place My claim: we can observe the interactional co-construction of group meaning in small groups (Meaning making and learning cannot be observed in individual or community cognition – making these contested and mysterious) 8
9. Cognition of Groups Psychology: group cognition is distortions of individual cognition (“group think”, “mass”) AI: cognition is computation (by any substrate) Distributed cognition: individual extended by artifacts and external memories Group cognition (my working hypothesis): cognitive processes can arise through the interactions within a small group of participants — not just externalization of individual mental representations, but emergent result of situated interaction 9
10. Preliminary Explorations of Groups Social psychology (but reductionist) Organizational management (ditto) Teasley & Roschelle (1993) ,Schwartz (1995), Cohen (2002), Barron (2003), Nosek(2004) Koschmann on practices of understanding (medical PBL) Suthers on intersubjective up-take (asynch.) Stahl (2006) Group Cognition: Computer Support for Building Collaborative Knowledge, MIT Press Stahl (2009) Studying Virtual Math Teams, Springer 10
11. The concept of group cognition “cogito ergo sum” confused relation of cognition and persistent human body Group cognition is not a matter of a physical group with a brain or persistent presence It is a matter of meaning making through the interaction of semantic artifacts (words, drawings, symbols, documents) situated in a structured network of other meaningful artifacts (situation, world, group context, indexical field) 11
12. The concept of group cognition E.g., we can observe group cognition in a years old chat log — in the meaning making of the chat postings in the physical absence of any group participants The postings are read as meaningfully designed by humans to interact with other human postings But the cognitive accomplishments (e.g., problem solving) are in the interactions among the textual postings. 12
13. The concept of group cognition The group as actor and group cognition are not physical objects or mental objects, but theoretical constructs resulting from analysis at the group level of description (like cultural norms and social rules at the social level) E.g., interpersonal trains of thought, shared understandings of diagrams, joint problem conceptualizations, common references, coordination of problem-solving efforts 13
14. The concept of group cognition The cognitive accomplishments emerge from the network of meaningful references built up by the individual textual postings E.g., planning, deducing, designing, describing, problem solving, explaining, defining, generalizing, representing, remembering and reflecting as a group 14
15. Mediation by small groups “Small groups are the engines of knowledge building. The knowing that groups build up in manifold forms is what becomes internalized by their members as individual learning and externalized in their communities as certifiable knowledge” [Group Cognition, p. 16]. 15
16. Toward a Science of Virtual Groups When small groups engage in cooperative problem solving or collaborative knowledge building, there are distinctive processes of interest at the individual, small-group and community levels of description, which interact strongly with each other. The small-group level has no corresponding science A cognitive science of virtual groups is particularly needed and possible 16
17. How to Build a Science: 5 steps Define the domain of the science Explore the domain Capture a data corpus Select, adapt, refine and master methods for analyzing the data Organize analytic findings in a framework of theoretical conceptualizations 17
18. VMT as a Model of a Science Design-based research: iterative cycles Spring Fest 2005, 2006, 2007 and others by collaborators, in my courses, misc trials Over 2,000 student-hours of data (576 sessions) Almost 200 academic research publications Preliminary explorations: Group Cognition Early Studies: Studying Virtual Math Teams 18
20. 1. Create the Domain Design-based research evolves the technology with the pedagogy, methods of analysis, usage feedback from data analysis and theory From off-the-shelf AOL Instant Messenger to VMT From Math Forum “problem-of-the-week” to four-hour open-ended math mini-world From one-shot chats to Spring Fest sessions to mini-curricula 20
29. 3. Establish a Data Corpus 2,000 student-hours of naturalistic usage Variety of scenarios: math problems, ages, group sizes, lengths of sessions, technologies Detailed logs Replayer to view and study interactions No data on individual factors or cultural Capture everything that entered into the interaction and was shared in the group interaction — available in detail in data 29
30. 4. Analyze the Data Inspired by conversation analysis and ethnomethodology Use the replayer Select excerpts of interest Threading analysis Identify methods of group interaction Identify group cognitive achievements 30
32. 5. Some Initial Findings Problem solving discourse is driven by proposal/response interactions (Stahl, 2006) Groups construct a joint problem space through interactions that involve temporality, positioning and concepts (Sarmiento, 2008) VMT participants intricately coordinate visual, narrative & symbolic reasoning/inscriptions (Cakir, 2009) Information questioning proceeds through interaction to elaborate what is sought (Zhou, 2009) Groups construct an indexical field that lends contextual meaning to elliptical utterances (Stahl, Koschmann, Zemel, 2009) 32
33. 5. Some More Initial Findings (Suthers, et al., 2009) (Koschmann, Stahl & Zemel, 2009) (Wee & Looi, 2009) (Powell, et al., 2009) (Fuks, et al., 2009) (Trausan, et al., 2009) (Rose, et al., 2009) (Shumar & Charles, 2009) 33
34. Some Initial Theory Important cognitive processes occur distinctively on individual, group and community levels of description They are appropriately studied at the corresponding unit of analysis The levels influence each other, but are not reducible to each other Often, group cognition can be best observed, because it takes place publically and explicitly and has not yet been reified or institutionalized 34
35. Scientific Issues A rigorous science can take many forms — e.g., predictive mathematical physics vs. case-based descriptive history — but it is generally concerned with issues of: Objectivity Reliability Generalizability Etc. 35
36. a) Objectivity The data is automatically logged No selective perspective (camera angles, lighting, choice of heard or remembered) No interpretive transcription Logs include all relevant details of interaction Replayer allows extremely detailed analysis: like a digital video with timecode, slow-mo, pause, next/previous action 36
37. Objectivity The VMT Replayer displays everything that was shared by the participants – exactly the group unit of analysis Everything that was shared went thru server Log includes every action with exact time Replayer is created exactly like original displays were created Analyst accesses exactly what would have been available to a “fly on the wall” – but with ability to proceed as needed and repeat 37
38. b) Reliability Data sessions with multiple analysts Using logs, replayer Discuss individual chat postings & moves More than standard inter-rater reliability 38
39. c) Generalizability Analyst group has experience with many chat and classroom math interactions Ethnomethodology argues that utterances and other interactive moves are “accountable” The way they are organized displays to others the means to recognize them as what they are Conversation analysis argues that there are necessarily general methods people use Members of a linguistic community share recognizable and identifiable methods for accomplishing everyday interaction tasks 39
40. The power of this science Analysis of group interaction (group cognition) Can show HOW (not just quantitatively THAT) The group can achieve cognitive accomplishments that none of the individual members of the group can (the group accomplishment may not even be completely understood by individuals) 40
41. Vygotsky’s zone of development Analysis of small-group interaction can EXPLAIN the ZpD by showing how a group-level “train of thought” is built by contributions of many individuals And by latent relationships implicit in the semantic relationships — never present in any individual mind. The meanings are human in origin, design and nature, but not necessarily configured by any individual the way they are by the group — although there is subsequently the possibility for individuals to take them up as their own resources for individual cognition 41
42. Other theories Behaviorism and cognitivism by definition associate all cognition with individual minds Post-cognitivist theories emphasize the involvement of artifacts, other people, the context and socio-cultural forces in cognition E.g., distributed cognition (Hutchins), situated action (Suchman), situated learning (Lave), activity theory (Engeström), ethnomethodology (Garfinkel), actor-network-theory (Latour) 42
43. Other theories E.g., Hutchins (2000, p. 176) says: “Cognitive processes may be distributed across the members of a social group.” But he analyzes socio-technical systems and the cognitive role of highly developed artifacts (airplane cockpits, ship navigation tools) These artifacts have encapsulated past cultural knowledge (community cognition) But not the cognitive meaning making of the group itself 43
44. Other Theories Provide some nice studies of the pivotal role of small groups, but do not account for this theoretically They are based on either a psychological view of individuals or a sociological view of rules, etc. at the community level None of them have a foundational conception of small groups as a distinct level They confuse talk of group level and social level They lack an account of the relationships between individual, group and community 44
45. Summary There is a scientific lacuna between sciences of the individual and sciences of communities There are important cognitive achievements at the small-group level of description These should be studied by a science of groups Online small groups are becoming increasingly possible and important in the global networked world A cognitive science of virtual groups could help the design of collaborative software for working and learning 45
46. Future Work Scale up to regular Math Forum service Analysis of four-day-long sessions Dynamic geometry (multi-user GeoGebra) Use with math teacher professional development Encourage collaborators to use and study VMT Contribute to a science of virtual group cognition 46
47. For Further Information Slides: http://GerryStahl.net/pub/edschool2009ppt.pdf Website: http://GerryStahl.net Email: Gerry.Stahl@drexel.edu Group Cognition (2006, MIT Press) Studying Virtual Math Teams (2009, Springer) 47