Siemens: Connectivism

Connectivism:
Learning Theory or Pastime for the Self-Amused?
November 12, 2006 George Siemens
A printable, MS Word file of this article is available here: Connectivism: Learning Theory or Past Time for the Self-Amused?

Background
It is always an honor to have one's work reviewed - even (or perhaps, especially) when it is critical in nature. Ideas, concepts, and theories are sharpened, or dulled, in the space of dialogue and scrutiny.

I recently had the pleasure of reading a critique by Pln Verhagen (2006), Professor, Educational Design, University of Twente, of my 2004 article, "Connectivism: A Learning Theory for a Digital Age." My appreciation exists on two levels: (a) Verhagen's time in reflecting on and reacting to the article, and (b) the provision of an opportunity to further dialogue about connectivism's relation to the process of learning, development of technology, societal trends, and pedagogy and curriculum. Though this final element is particularly dry, and in today�s age seems to acquire a diminishing audience, we are weary of pedagogy and curriculum before we have fully managed to effect needed change.

As I read the review, I was immediately struck by the illustration it provided of why connectivism (or pick any view of network-based learning) is so important. The review represents the limiting factors of traditional; views of learning�or, extended slightly, the very structures and spaces we use to define our schools, organizations, and society.
In the original 2004 article I stated: "The pipe is more important than the content within the pipe. Our ability to learn what we need for tomorrow is more important than what we know today. A real challenge for any learning theory is to actuate known knowledge at the point of application" (Conclusion section, � 1). I find Verhagen's (2006) critique falls at precisely this point.

The core of what I wrote in the initial article is still valid: that learning is a network phenomenon, influenced (aided) by socialization and technology. Two years is a lifetime in the educational technology space. Two years ago, web 2.0 was just at the beginning of the hype cycle. Blogs, wikis, and RSS�now prominent terms at most educational conferences were still the sandbox of learning technology geeks. Podcasting was not yet prominent. YouTube didn't exist. Google had not released its suite of web-based tools. Google Earth was not yet on the desktops of children and executives alike each thrilled to view their house, school, or business in satellite images. Learning Management Systems still held the starting point of most elearning initiatives. Moodle was not yet prominent, and the term PLEs (personal learning environments) did not exist. In two years, our small space of educational technology evolved�perhaps exploded is a more accurate term.

Against this backdrop, I am unsure why Verhagen (2006) opted to complete a review on an article's content when the ensuing conversation (particularly among so called edu-bloggers) since the article (Siemens, 2004) was published says much to create a context of understanding connectivism. Understanding context is the key. Much has happened since the article was first written, which in no way devalues connectivism as a concept - rather it validates it. The theory of connectivism is no less immune to change than the underlying trends it proposes to address.
I am curious as to the approach Verhagen (2006) utilized in reviewing the article. I sense it primarily consisted of reading the article and providing a reaction based on his experience in the learning technology space. Did he search online? Did he view or listen to presentations posted on elearnspace? Did he encounter Stephen Downes� (2005) article on Connective Knowledge? I did not receive any email or skype requests to dialogue�an opportunity I rarely resist. Diverse perspectives, current knowledge, opportunities for dialogue, and use of technology are important ways of 'coming to know' in today's world.

The error made in the review is precisely the reason why we need to explore connectivism as a learning theory: static, context-less, content-centric approaches to knowing and understanding are fraught with likelihood of misunderstanding. To write a review of the American political system of 2004, and treat it as if it were today's reality, fails to acknowledge the process to which all content is subject. This is the danger of product iconization as offered, or explored by prominent theories of learning, thus failing to acknowledge - explicitly - that ongoing changes obsolesce current knowledge.

Hubert Dreyfus (2002), in his audio lectures exploring Heidegger's Being and Time, questions whether a hammer is actually a hammer in absence of nails. Context shapes the nature of knowledge and learning, requiring that we consider contextual factors when engaging in debate, dialogue, or critique. To assess a concept, in absence of the context of occurrence (why a conversation happened in the first place, as well as how it has since evolved), is to largely ignore the process aspect of learning and focus instead only on the product aspect.
Verhagen's (2006) criticisms are broadly centered on three areas:

1. Is connectivism a learning theory or a pedagogy?
2. The principles advocated by connectivism are present in other learning theories as well. [Not unique]
3. Can learning reside in non-human appliances?

I imagine these particular principles can be argued at length and may well reflect more of an individual's personal epistemology than a neutral discussion of learning and knowing. I have opted to broadly explore learning theories and connectivism in the balance of this paper, in order to highlight key distinctions and advance the argument of why we need a different theory of learning, and the accompanying factors influenced by learning: how we teach, how we design curriculum, the spaces and structures of learning, and the manner in which we foster and direct critical and creative thought in our redesign of education. In the process, I believe Verhagen's questions will be addressed.

My response begins with a brief exploration of our desire for externalization as expressed in language, symbols, emotions, and thought - laying a foundation of learning factors. After a quick overview of knowledge and learning, I review the principles of effective theories, change drivers, and why a new theory of learning is required.

'To 'know' something is to be organized in a certain way, to exhibit patterns of connectivity. To 'learn' is to acquire certain patterns" (Downes, 2005, Section O, 2).
The spirit, or zeitgeist, of an era influences the structures of society: churches and religious groups, school, and government. In contrast with the educational ideals of previous cultures, our current Western world is largely dominated by a spirit of productivity, utilitarianism, and return on investment (or other metrics to justify learning and training).

In today's environment, many educational structures exist with the primary intent of preparing individuals for the workforce. Much like previous societies aligned education with the higher ideals of their era, work and employment - as cornerstones of life - drive much of today's education. The religious-based [vs] views of education have largely given way to education based on science. As a whole, our structures of learning have become more utilitarian (Postman, 1995, p. 27).

As we will explore shortly in our desire to externalize our knowledge, our goals for learning are not simply utilitarian. We may engage in formal learning activities to increase our career prospects, but for many, the bulk of learning occurs as a desire to make sense, understand, develop personally, or (for the utopian) become contributors to making a better world. Our views of learning must account for our strong urge to make meaning.

Bowen (1972a p. xix) presents three broad challenges to education today: adequate rationale, support, and pedagogy. Educators are seeking to create a high-calling of learning that exceeds vocational needs. The absence of a clear pedagogy, or vision of how learning ought to be done, further complicates the potential for success. Postman (1995) noted: "There was a time when educators became famous for providing reasons for learning; now they become famous for inventing a method" (p. 26). Our educational model today is largely defined by the desire to achieve and produce in an economic system.

When compared with higher ideals of education from previous societies, this model appears shallow. Mayer (1960) listed numerous basic goals of education: health, command of processes, home membership, vocational efficiency, civic efficiency, worthy use of leisure, and ethical character (p. 12). The varied purposes of learning presented learning opportunities beyond simply work. Many of the nobler elements of learning, often found in the belief or faith domain, have yielded to the increased quest for efficiency and utilitarianism.

Postman (1995) stated, "the great narrative of science shares with the great religious narratives the idea that there is order to the universe" (p. 9). Education occurs within the prominent philosophical and societal notions of what it means "to be." In eras of religious focus, the development of morals provided the foundation of learning. In eras defined by exploration and knowledge growth, the prominent function of education was to pry open doors of hidden knowledge. The development of the industrial era shifted the educational focus to preparing individuals to function in work environments. Career preparation, not moral or intellectual development, became the primary focus of learning. The space of shifting ideals presents challenges for society as a whole: (a) the erosion of existing structures of knowing and need for knowing, and (b) the yet to emerge characteristics of the new space are unknown, or speculative at best (p. 23).

The current internet era is at a point of substantial change. The long-established fault lines of philosophical debate are being reshaped as our means of interpreting life, learning, and reality are moving into a new dimension - the virtual world. Dede (2005, p. 9) listed tremendous physical property values assigned to online virtual spaces, with GNP of virtual games exceeding the GNP of many countries, and virtual currency trading on par with real-world currency. The internet functions according to a different sequence of rules, guidelines, codes of conduct, and points of value than does the physical world. A necessary reorganization is underway, resulting in new metaphors of learning and existence as a whole.

The eyes through which we see learning, the boundaries in which we construct learning, have been shaped and created by the great debates from previous generations. The established notions of knowledge and learning appear inadequate in a world and space subject to substantially different pressures than earlier societies. The dichotomy of qualitative versus quantitative, religion versus science, and such have been formed through the debates of philosophers, scientists, and religious people. Educators today face challenges relating to: (a) defining what learning is, (b) defining the process of learning in a digital age, (c) aligning curriculum and teaching with learning and higher level development needs of society (the quest to become better people), and (d) reframing the discussion to lay the foundation for transformative education - one where technology is the enabler of new means of learning, thinking, and being.

Too many educators fail to understand how technology is changing society. While hype words of web 2.0, blogs, wikis, and podcasts are easy to ignore, the change agents driving these tools are not. We communicate differently than we did even ten years ago. We use different tools for learning; we experience knowledge in different formats and at a different pace. We are exposed to an overwhelming amount of information requiring continually greater levels of specialization in our organizations. It is here where knowledge growth exceeds our ability to cope, that new theories of knowledge and learning are needed. And it is in this space that a whole development model of learning must be created (i.e. learning beyond vocational skills, leading to the development of persons as active contributors to quality of life in society).

Instead of knowledge residing only in the mind of an individual, knowledge resides in a distributed manner across a network. Instead of approaching learning as schematic formation structures, learning is the act of recognizing patterns shaped by complex networks. The networked act of learning exists on two levels:

1. Internally as neural networks (where knowledge is distributed across our brain, not held in its entirety in one location)
2. Externally as networks we actively form (each node represents an element of specialization and the aggregate represent our ability to be aware of, learn, and adapt to the world around).

Intermediaries and Conduits for Learning and Communication

We are social beings. Through language, symbols, video, images, and other means, we seek to express our thoughts. Essentially, our need to derive and express meaning, gain and share knowledge, requires externalization. We externalize ourselves in order to know and be known. As we externalize, we distribute our knowledge across a network, perhaps with individuals seated around a conference, readers at a distance, or listeners to podcasts or viewers of a video clip. Most existing theories of learning assume the opposite, stating that internalization is the key function of learning (cognitivism assumes we process information internally, constructivism asserts that we assign meaning internally, though the process of deriving meaning may be a function of a social network, i.e. the social dimension assists in learning, rather than the social dimension being the aim of learning). The externalization of our knowledge is increasingly utilized as a means of coping with information overload. The growth and complexity of knowledge requires that our capacity for learning resides in the connections we form with people and information, often mediated or facilitated with technology.

Language and Learning

As with any technology, the printing press influenced the process and nature of learning. Prior to Gutenberg's invention, the written word required skill, special paper, and significant time to produce. Gutenberg opened the door for anyone to access (and own) books. Access to books was simply a conduit to the higher goal of learning and knowledge.

As a result of the increased access to codified ideas in the form of text, the learning process transitioned from the previous dialogue or vocal base (Socrates, Plato, religious leaders) to the emphasis of text. Textual representations of knowledge provide a false sense of certainty and ascribe static attributes typically not inherent in knowledge from oral traditions. When knowledge is communicated through dialogue, the progressive growth of understanding is tied to the process, not the artefact. Learning, when primarily text-based, ascribes knowledge as primary in physical objects.

The emphasis of object over process is strong within today's educational markets. Most courses and learning experiences are built around content: textbooks, videos, magazines, articles, or other learning objects. For centuries this model was effective. The content-central view of learning loses effectiveness in environments that are rapidly changing and adapting. Text in itself is a codification of knowledge at a point in time, a snapshot. In contrast, conversation is fluid and continual.

Language, as the corner stone of conversation and dialogue, is in itself transformative. Postman (1995) asserted that we use language to transform the world, but we are then in turn transformed by our invention (p. 87). A similar concept was expressed by Alex Kozulin in his forward to Vygotsky's (1986) Thought and Language: abstract categories and word meanings dominated situational experience and restructured it (p. xl). Language is a conduit, a medium through which individuals are able to create shared meanings or interpretations of concepts.
Deriving or assigning meaning as a cognitive process has historically been detailed in two regards: (a) images, as assigned to and shaped by words, is crucial in creating meaning (Bloor, 1983, p. 7); and (b) the symbol or image is rooted in the intent of the speaker, a conscious orientation, actively directed at its object. The symbol is meant a certain way, as its correct application is governed by an intention. (p. 8).

According to Wittgenstein (as cited in Bloor, 1983), the role of externalization is an attempt to replace internal, mental constructions (p. 10) with external and non-mental (p. 10) constructs. The intent of externalization is to eliminate the hidden power, or in Wittgenstein's terminology the occult character (p. 10) of an image, permitting greater clarity in discussions.

Wittgenstein (as cited in Bloor, 1983) explored the private and public nature of meaning, arriving at the view that the systematic pattern of usage (p. 19) was the primary expression of meaning. The patterns of usage are public, not private, and internal, as mental image or act theorists detailed.

The real source of life in a word or sentence is provided, not by the individual mind, but by society (Bloor, 1983, p. 20). In order to prove that there is an indissoluble link between the public world and the mental life of the individual, Wittgenstein attached the idea of what he called a private language (p. 54). To elaborate on these thoughts, Wittgenstein presented right and wrong as public standards, and their authority comes from their being collectively held. Per Bloor, Durkheim and Wittgenstein pursued a differing view of objectivity than is normally associated with learning. Their source of objectivity resides outside of the mind and in society as a whole (p. 58). The statement that there can be no private language assaults the notion of individual subjectivity (p. 60):

The point is that even introspective discourse is a public institution which depends on conventions and hence on training. We have no immediate self-knowledge and no resources for constructing any significant account of a realm of purely private objects and experiences. (p. 64)
Vygotsky (1986), like Wittgenstein, attached a certain element of externality to thought: �The meaning of a word represents such a close amalgam of thought and language that it is hard to tell whether it is a phenomenon of speech or a phenomenon of thought� (p. 212). Vygotsky then extrapolated the thought/word connection by asserting that thoughts do not come into existence unless expressed in words (p. 218).

Vygotsky (1986) stated his interest in language as a means to ensure complete understanding of a concept: Psychology, which aims at a study of complex holistic systems, must replace the method of analysis into elements with the method of analysis into units. We believe that such a unit can be found in the internal aspect of the word, in word meaning. (p. 5)
The interplay of language, symbols, ideas, cognition, meaning, and learning are not clearly defined. Pietroski (2004) stated the challenge:

If theories of meaning are theories of understanding, and these turn out [to] be theories of mental faculty that associates linguistic signals with meanings in constrained ways, then we should figure out (in light of the constraints) what this faculty associates signals with.
Extended, the concerns go beyond simply determining constraints. The challenge involves acquiring a common language of meaning relating to learning and knowledge, and exploring how supporting processes (cognition and emotions) are influenced by communication models (linguistics) and the conduits that deliver information and knowledge (technology), in relation to views of learning (truth, objectivity, subjectivity, epistemology).

Media, Symbols, and Technology

While not quite in alignment with Vygotsky's (1986) assertion that language gives birth to thought, Bandura (1986) stated, power of thought resides in the human capability to represent events and their interrelatedness in symbolic form (p. 455). Media, language, technology, and symbols are devices that enable humans the capacity to externalize the nebulous elements of private thought. The externalization of thought is an important concept to consider in light of traditional theories of learning largely emphasizing knowledge construction and cognition as primarily internal events (in the mind of individuals).

Education, as a process, has its origin in the earliest recordings of human activity. It is believed that foundational elements of communication or knowledge transmission had their origin in pictograms (Bowen, 1972a, p. 7) the attempt of people to express thought in physical form. Pictograms developed in complexity as determinatives were added to clarify ideas and eliminate ambiguity. Even in early recordings of thought and reasoning, the notion of ambiguity influenced activities of communicators. The potential that one concept may be represented, or be interpreted, in various ways is a foundational challenge that continues to drive attempts to communicate and share knowledge. Perspective and subjectivity, or at minimum interpretation, add complexity to dialogue-based processes, like learning.

The attempt to communicate also presented the continuing challenge of the imperfect nature of physical tools to express mental thought. Writing and visuals are conduits only partly able to properly reflect intended meanings and understanding held in the minds of individuals. Through symbols, we desire clarification. �The world of our experience must be enormously simplified and generalized before it is possible to make a symbolic inventory of all our experiences� (Sapir, as cited in Vygotsky, 1986).

Symbols and language have been key elements of the cycle of understanding for much of recorded history. More recently, media and technology have begun to play a central role in creating the constructs of understanding that house shared conceptions and experiences of individuals. McLuhan (1967) suggested, �societies have always been shaped more by the nature of the media by which men communicate than by the content of the communication� (p. 8). The rapid growth of social-based technology tools creates an unprecedented opportunity for anyone with a computer and internet access to play the role of journalist, artist, producer, and publisher. If media truly does shape humanity, the changed nature of dialogue and information exposure created by the internet will have greater implications to our future than the nature of the content currently being explored. Much like tools shape potential tasks, the internet shapes opportunities for dialogue�outside of space and time�that were not available only a generation ago.
Cognition and Emotions
Wittgenstein�s rejection of meaning as internally-derived events opens the possibility that knowledge, learning, and other meaning-based activities are capable of being seen as �networked elements� (as cited in Bloor, 1983). Meaning that resides external to an individual�the aggregate, or at least reflection, of social processes�can be viewed as a node or element in learning and knowing structures. The importance of the shift from internal to external knowing is evident in the rise of the internet as a connected structure permitting the development of knowledge and learning, not simply data and information. The learning is the network.
Cognition is a function of the environment in which it occurs; that is it develops from social milieu (Vygotsky, 1986, p. 108). Cognition can be seen as an intricate series of interactions between external and internal elements. The environment strongly influences the nature of cognition. This element is particularly valuable in considering the design of physical and virtual spaces of learning.
While emotions have been criticized as subjective and, therefore, difficult to study or subject to reason (Lane & Nadel, 2000, p. 12), they play a central role in understanding learning and knowledge creation. Cognition, emotion, perception, and beliefs are knowledge creation and knowledge navigation enablers. Empirical processes have created significant knowledge growth and have elevated cognition above the softer aspects of emotion, perception, and belief (or faith). These latter elements, however, are strong contributors to the ongoing search for meaning, truth, and knowledge. Often, the soft elements are the entities that open doors of cognition. Intuition, while not as measurable and duplicable as empirical research, still plays a substantial role in fostering learning. Both cognition and beliefs are sources of knowledge. Reflection and metacognition (thinking about thinking) are often ignored in cognitive processes.
When we speak of improving our mind we are usually referring to the acquisition of information or knowledge, or to the type of thoughts own should have, and not to the actual functioning of the mind. We spend little time monitoring our own thinking and comparing it with a more sophisticated ideal. (Hueuer, 1999)
This admonition is particularly relevant in exploring assumptions about religion, education, learning, language, and teaching. Achieving a stage of knowing or conceptualizing, requires the formation of boundaries in our thinking, or defined beliefs, that enable subsequent decision making. Recognizing the hidden assumptions and deeper beliefs is important in moderating extrapolations that exceed the offerings of existing data or research (Occam�s razor).

Epistemology�What Does it Mean to Know?

Epistemology is concerned with the nature of knowledge and how we come to know things� (Driscoll, 2000, p. 12). While educators may question the practicality of exploring epistemology (preferring instead to focus on the act and process of instruction and learning in classrooms), perceptions of what it means to know and valid sources of knowledge greatly influence an educator�s approach to the learning process.

Major epistemological perspectives include:

1. Empiricism: the belief that knowledge is gained through senses,
2. Nativism: the belief that knowledge is innate or present in at birth,
3. Rationalism: the belief that knowledge is a function of reason. (Driscoll, 2000, p. 13)

These three structures of valid knowledge sources provide the basis for reflecting on what it means to learn or know. Educational theories and models built on these views of knowledge. Assumptions of what it means to know drives approaches to learning creation. This concept is explored in greater detail in the section on Learning Theories.

The concept of what qualifies for appropriate descriptions of knowledge is referenced in research theory, religion, and philosophy. As an expression for ways of being and knowing, qualitative and quantitative models are the most prominent. Table 1 indicates the main epistemological elements contained within each theory (Glesne, 1999, p.6, and Palys, 2003, p.15).

Table 1. Ways of Knowing

	Qualitative	Quantitative
Other terms	Interpretivist, phenomenological, inductive, constructionist, idealism	Positivism, realism, deductive, objectivism, realism
Emphasis	Process, perceptions, meaning	Causes, effects, inputs
Validity	Closeness to participants, personal involvement	Detached, objective, analytical
Purpose of Research	Verstehen—behaviour in context, understanding, interpretation	Ability to predict, causal explanations

What is the Role of Theory

Researchers eek out small gains of knowledge from existing grand theories rather than explore new areas not covered by existing theories (Glaser & Straus, 1967, � 6). Theory serves a dual purpose of explaining phenomena (or more accurately, sense and meaning making) and of providing guidance for decision making or action. Sutton and Shaw suggested theory is about the connections among phenomena (p. 378). Theory provides a link between knowledge and implementation. Karl Weick chides specific solution-focused theory formations as inappropriate, as the intent of a theory is primarily a struggle with sensemaking (10).

Educational technology is replete with theories. Some adapted from previous models (behaviourism, cognitivism, constructivism), blended theories[1], emerging theories (connectivism), and related views of networked learning (Wikipedia, 2006). Blended and emerging theories counterbalance established theories in pursuing a theory in line with the nature of the society it purports to support. Tools change people. We adapt based on new affordances. To rely on a theory that ignores the networked nature of society, life, and learning is to largely miss the point of how fundamentally our world has changed.

Learning Theories

Three prominent learning theories seek to provide insight into the act of learning: behaviourism, cognitivism, and constructivism. Each of these theories has numerous subsets (social cognitivism, social constructivism). Gredler (2005) listed two separate theories: (a) interactionist, based on Gagne's learning conditions and Bandura's social-cognitive theory, and (b) developmental-interactionists, based on Piaget's cognitive development and Vygotsky's cultural-historical theories (p. 20). For the purposes of this paper, learning theories are cast as they link to the epistemological structures listed previously. The three dominant theories (behaviourism, cognitivism, and constructivism) are closely aligned with empiricism, nativism, and rationalism (see Table 2).

Table 2. Forms of Knowledge

	Objectivism	Pragmatism	Interpretivism
Epistemology	Empiricism	Nativism	Rationalism
Source of knowledge	Experience	Reason and experience	Reason
How do we acquire knowledge?	Objective, external, sensory experience	Knowledge is interpreted, reality exists, but mediated through symbols and signs	Reality is internal and (like knowledge) is constructed through thought
Where does knowledge reside?	In the individual—but reflected through external, observable actions	In the individual	In the individual, in the context of environments
Learning theorists	Skinner, Thorndike, Pavlov, Watson	Vygotsky, Bandura, Bruner, Ausubel, Gagne	Bandura, Piaget, Bruner, Dewey
Learning theories	Behaviourism	Cognitivism/constructivism	Constructivism

Note: Table adapted from: Driscoll (2000, p.17).

Behaviourists are largely concerned with the outcome, or observable elements of learning. Behaviourists see learning as a black box (Driscoll, 2000, p. 35). Instead of focusing on the internal mental activities, behaviourists focus on observable behaviour (Gredler, 2005, p. 28). Behaviour is managed through a process of strengthening and weakening of responses. Key theorists in behaviourism include: Pavlov, Watson, Skinner, Thorndike (Gredler, p. 29, Driscoll, p. 19).

Cognitivists, to varying degrees, have posited a structured view of learning that includes the model of a computer (input, encoding, storage, outcome), a staged process of development, and schematic views of knowledge, with learning being the act of classifying or categorizing new knowledge and experiences. Cognitivists see learning as information processing. The computer is often used as a metaphor for learning (Driscoll, 2000, p. 75). Sensory input is managed in short-term memory and coded for retrieval in long-term memory. Situated cognition, the view that thought is a function of, or adaptation to, the environment in which the thinking (or learning) occurs (p. 154), and schema theory, the view that meaningful learning (p. 116) is a process of subsumption in an internal hierarchy of concepts, are extensions of basic cognitivism. Piaget and Vygotksy are sometimes classified as cognitivits (Gredler, 2005, pp. 264 & 304; Driscoll, pp. 183 & 219). Other cognitivists include Bruner, Gagne, and Ausubel.

Constructivism is a frustratingly vague concept. The Centre for Research on Networked Learning and Knowledge Building (n.d.) suggested, constructive theory of learning, generally, has not at all become more specific or articulated or gained any increased explanatory power or unification. There has not been any progressive problem shift after the 80s but a continuation of a very general and ideologically colored discussion. (2)

Constructivists hold learning to be a process of active construction on the part of the learner. Learning occurs as the learners attempt to make sense of their experiences (Driscoll, p. 376). The roots of constructivism can be found in the epistemological orientation of rationalism, where knowledge representations do not need to correspond with external reality (p. 377). Adherents to constructivism borrow heavily from theorists previously mentioned: Piaget, Vygotsky, and Bruner (Dabbagh, 2005; Driscoll, 2000).

Learning theories and theorist classifications are contradictory. For example, Driscoll (2000) listed Bruner as a pragmatist/cognitivist, while Dabbagh (2005) listed him as a constructivist. New entrants into this space quickly find a convoluted mix of psychology, philosophy, and theory pop-culture. Discerning theories with underlying assumptions of learning is challenging. Particularly confusing is the theory of constructivism, which researchers tend to treat as a banner under which to fly numerous aspects and new views. It has come to mean everything, anything, and nothing. While not as acerbic, Driscoll stated, there is no single constructivist theory of instruction. Rather, there are researchers in fields from science education to educational psychology and instructional technology who are articulating various aspects of constructivist theory (p. 375). Additionally, it may be unclear whether constructivism is actually a theory or a philosophy (p. 395).

Challenges to Existing Learning Theories

To qualify as a well-constructed theory, four elements must exist (Gredler, 2005, p. 12): (a) clear assumptions and beliefs about the object of the theory, (b) key terms are clearly defined, (c) development of principles from assumptions, and (d) explanation of underlying psychological dynamics of events related to learning.

Instead of modeling our knowledge structures as hierarchical or flat, confined belief spaces, the view of networks enables the existence of contrasting elements selected on the intent of a particular research or learning activities. If the silos of traditional knowledge classification schemes are more fluid, perhaps the individual elements of different theories can be adopted, as required, to solve more nuances of learning problems. When the theory does not require adoption in its fullest (i.e, interpretivism or positivism), the task of seeking knowledge becomes more salient.

Wittgenstein's assertion that there can be no private language (as cited in Bloor, 1983) and Vygotsky's (1989) notion that thought requires expression are misinterpreted to place emphasis on the external environment as a mirror or reflection required for knowledge to occur, or be transmitted. While the external environment is critical, both Vygotsky and Wittgenstein mistook the environment for the space in which thought gains life, when in reality, the external environment is an additional space for knowledge, thought, expression, and reflection. As an extension of humanity, the external is in itself a space in which we exist, rather than an environment in which our words find existence. When objects and other external entities are viewed as extension of humanity, the notion of learning as a network formation process becomes more palatable. If knowledge exists in external structures of similar nature, as it exists physically within our minds (distributed, neurologically), then it is possible to ascribe knowledge and learning attributes to the distributed nature of networks formed between people.

Additional support of the concept of knowledge (and learning) existing outside of the human mind is found in vision research. We suggest that the objects of thought, the very things upon which mental processes directly operate, are not always inside the brain. The cognitive processing that gives rise to mental experience may be something whose functioning cuts across the superficial physical boundaries between brain, body, and environment. (Spivey, Richardson, & Fitneva, 2004, p. 178)

The challenge of theory comparison and analysis rests in the point of focus. Much like any element in society, the aspect that the viewer is focused on determines the nature of the conclusion, as well as defines the capacity to see what exists. Integrated, holistic views of theories and the particular functions they serve is often lacking. Wittgenstein's rejection of meaning as internally-derived events (as cited in Bloor, 1983), opens the possibility that knowledge, learning, and other meaning-based activities are capable of being seen as networked elements. Meaning that resides external to an individual, the aggregate, or at least reflection, of social processes, can be viewed as a node or element in learning and knowing structures. The importance of the shift from internal to external knowing is evident in the rise of the internet as a connected structure, which permits the development of knowledge and learning, not simply data and information. The learning is the network.

One of the limiting features of much thought with regard to learning, understanding, and behaviour is the inclination to take a deliberate one-sided view of the concern. Human functioning (and the very act of cognition) is difficult to reduce to simple representations. A holistic view and model of cognition and learning is required, one which addresses emotions, thoughts, language, symbols, circumstances, morality, and environment.

Various theories present knowledge as an internal state of being in relation to knowledge as an internal or external object. Edwin Hutchins (2000) suggested that "It does not seem possible to account for the cognitive accomplishments of our species by reference to what is inside our heads alone. One must consider the cognitive roles of the social and material world. The distributed cognition perspective aspires to rebuild cognitive science from the outside in, beginning with the social and material setting of cognitive activity, so that culture, context, and history can be linked with the core concepts of cognition."

Hierarchies of knowledge have been created to demarcate elements commonly described as knowledge or information. Liebowitz (1999) cited the work of Tobin in structuring a four-tier hierarchy: data (+ relevance + purpose) = information (+ application) = knowledge (+ intuition + experience) = wisdom (p. 1-5). Wisdom is the upper echelon of most conceptions of thought and knowledge, but, as Burke (2000) noted, wisdom must be learned more or less painfully by each individual (p. 12). Other knowledge conceptions (Siemens, 2005) suggest the highest level in the hierarchy is meaning, the comprehension of nuances and implications of knowledge. Moving wisdom to the domain of the internal introduces similar challenges addressed by Wittgenstein (as cited in Bloor, 1983) and Vygotsky (1986), namely, how can something that is exclusively internal have life or meaning?

Change Drivers Requiring a New Theory

Problems emerge when new findings are pressed into immediate service, while the academic routines on which they depend remain unchanged (Baumeister, 2005, Academic Teaching section, 2)

Understanding of Learning

We are growing in our understanding of learning. Research in neuroscience, theories of social-based learning, and developments in learning psychology create new understanding of the act, and process, of learning. As Downes (2006) stated, Learning occurs in communities, where the practice of learning is the participation in the community. A learning activity is, in essence, a conversation undertaken between the learner and other members of the community. This conversation, in the web 2.0 era, consists not only of words but of images, video, multimedia and more. This conversation forms a rich tapestry of resources, dynamic and interconnected, created not only by experts but by all members of the community, including learners. (Network Pedagogy section, 6)

Pace of Knowledge Growth

Most individuals require little evidence to support the rapid growth of knowledge, they feel it in their daily lives. A University of California, Berkeley (2003) study on information growth found a 75% increase in two years. Information and knowledge are tightly linked; as information grows so does our knowledge.

Development of Technology (Ubiquity)

Technology is mobile, embedded, transparent, and ubiquitous. Continual access to technology requires different vetting processes for knowledge. Consider how television news differs from video created by an amateur at the scene of an accident. Higher levels of trust are generally assigned to formal news programs. However, as exemplified by the growth of online video sites like YouTube, the personable, first-hand account of amateur video has significant appeal.
The persistent advancement of technology adds complexity to how knowledge is organized, created, and managed. Business executives are constantly connected to their office. Technical workers have mobile access to detailed database to assist with onsite work. Farmers rely on advanced soil testing in determining seeding, and then utilize GPS when planting and harvesting. Few areas of life remain unaffected.

Expectations of Students (Net Generation)

When students enter educational spaces today, they do so with a different mindset from even a few years ago. Video games, mobile phones, instant messaging, and online social networking have been constant for many teenagers. Through the use of blogs and wikis at the secondary school level, these learners are entering higher education with expectations sure to be unmet.
In Educating the Net Generation, Diana and James Oblinger (2004) offered a detailed overview of today's learners: digitally literate, constantly connected, socially-driven, engaged, visually-driven, and a host of additional pronounced characteristics. Simply stated, today's learners are different.

The Great Complexification

Weinberger (2005) presented complexification as a defining aspect of knowledge today. We are now able, through an abundance of social tools, to produce and create content previously requiring a substantial investment. Broadcasting ideas in text, audio, and video
is a fairly simple process. As a result, any issue can be explored and dissected form numerous angles. Even simple viewpoints can be complexified through the multiple viewpoints of the masses.

While blogs, wikis, podcasts, and social bookmarking are receiving much attention, the real point of interest lies not in the tools themselves, but in what the growth of the tools represents and what the tools enable. Primary affordances include: (a) two-way flow, and (b) activities reflective of networked activities of individuals

Making sense of this complex conversation requires a shift to alternative models of management. It is at this stage that technology is beginning to play its greatest role; one that will continue to grow in prominence as knowledge grows in complexity. Learning, augmented by technology, permits the assimilation and expression of knowledge elements in a manner that enables understanding not possible without technology.

Emerging Philosophy of Knowledge, Learning, and Knowing

Philosophies of what it means to know are emerging in reaction to the developments in technology and society. Stephen Downes (2005) offers a view of knowledge beyond traditional classifications as listed in Table 1.

You probably grew up learning that there are two major types of knowledge: qualitative and quantitative. Distributed knowledge adds a third major category to this domain, knowledge that could be described as connective. A property of one entity must lead to or become a property of another entity in order for them to be considered connected; the knowledge that results from such connections is connective knowledge.

According to Downes (2005), connective knowledge networks possess four traits:

Diversity	Is the widest possible spectrum of points of view revealed?
Autonomy	Were the individual knowers contributing to the interaction of their own accord, according to their own knowledge, values and decisions, or were they acting at the behest of some external agency seeking to magnify a certain point of view through quantity rather than reason and reflection?
Interactivity	Is the knowledge being produced the product of an interaction between the members, or is it a (mere) aggregation of the members’ perspectives?
Openness	Is there a mechanism that allows a given perspective to be entered into the system, to be heard and interacted with by others?

What About Technology?

While still in early stages of development, technology is permitting new ways of seeing information and the impact of interactions. As discussed earlier, rapid knowledge growth requires off-loading the internal act of cognition, sense and meaning making, and filtering to a network consisting of human and technology nodes. As a simple example, the popular tag feature of many sites (del.icio.us, digg.com, flickr), enable pattern recognition that captures the activities of thousands or millions of individuals. As knowledge complexifies, patterns not individual elements become of greatest importance in gaining understanding.

What Makes Connectivism a Theory?
Mergel (1998) cited Ertmer's and Newby's five definitive questions to distinguish learning theory (Distinguishing One Learning section, � 1):

How does learning occur?
What factors influence learning?
What is the role of memory?
How does transfer occur?
What types of learning are best explained by this theory? (2)

Table 3. Learning Theories

Property	Behaviourism	Cognitivism	Constructivism	Connectivism
How does learning occur?	Black box—observable behaviour main focus	Structured, computational	Social, meaning created by each learner (personal)	Distributed within a network, social, technologically enhanced, recognizing and interpreting patterns
Influencing factors	Nature of reward, punishment, stimuli	Existing schema, previous experiences	Engagement, participation, social, cultural	Diversity of network
What is the role of memory?	Memory is the hardwiring of repeated experiences—where reward and punishment are most influential	Encoding, storage, retrieval	Prior knowledge remixed to current context	Adaptive patterns, representative of current state, existing in networks
How does transfer occur?	Stimulus, response	Duplicating knowledge constructs of “knower”	Socialization	Connecting to (adding) nodes
Types of learning best explained	Task-based learning	Reasoning, clear objectives, problem solving	Social, vague (“ill defined”)	Complex learning, rapid changing core, diverse knowledge sources

Controversy exists as to the primacy of memory in the learning process—especially when many technology tools are more effective at retrieval than we are. Memory is not as static as theorists present in views of learning. Memory involves a recalling and reconstruction. New experiences influence existing memory. Visiting childhood homes and play areas often reveals a dramatically different space than what was remembered. Memory is perhaps most prominent in cognitivism, where input, encoding, storage (in memory), and recall (from memory) are critical in the design process.

The concept of transfer is loaded, with educators and cognitive scientists questioning if knowledge can be transferred or simply created, constructed, or shared. It is important to note that most learning theories overlap. For clarification, it is important to briefly consider connectionism in contrast with connectivism. Connectionism is based in behaviourism (Thorndike, as cited in Kearsley, n.d.), where learning occurs as we form links between stimulus and response. Connectionism, in terms of neuro/cognitive science, is focused on neural networks—the manner in which we learn—contrasted with previous views of learning as information processing (Garson, 2002).

Connectivism shares some traits of the cognitive science view of connectionism—the view that learning is a process of network formation. Connectionism is only focused with learning that happens in our heads. Connectivism is focused on the process of forming and creating meaningful networks that may include technology-mediated learning, acknowledges learning that occurs when we dialogue with others, i.e., we collect knowledge in our friends (Stephenson, n.d.) and such. Connectivism is strongly focused on the linking to knowledge sources not simply trying to explain how knowledge is formed in our own heads.

The more rapidly knowledge develops the less likely it will be that we will possess all knowledge internally. The interplay of network, context, and other entities (many which are external) results in a new approach or conception of learning. The active creation of our own learning networks is the actual learning, as it allows us to continue to learn and benefit from our network compared to a course which has a set start and end date.

Conclusion

After decades of molding existing theories to changed environments, continual revisions, in the face of dramatic change in knowledge, society, and technology, form the foundation of a needed change in how we perceive learning. Our views of learning, as the basis of a new approach to designing and fostering learning, are most useful when they are in line with the changed environment.

For many, the debate of changed modes of learning does not require an explicit statement. They sense it in their work, how they communicate, and how they learn. These individuals are not focused on what, if anything, has changed theoretically. They are asking different questions than we are attempting to answer with dated theories.

Our obligation as educators requires a solid focus on emerging trends, while not succumbing to distracting fads. Our desire to connect,to externalize, is a vital component of the learning process. Instead of merely developing learners for careers, we have an obligation to create a learning ecology where learners are able to shape their own meaning. Where we fail to react to changes, learners will pursue alternatives. The creation of a sound theory of learning provides the basis of learning and societal functioning. Knowledge growth, emerging research (in neuroscience and artificial intelligence), new philosophies of knowing, and growing complexity requiring distributed knowing and sense making are no longer sufficiently attended to by the broad theories of learning prominent in past education. An alternative is needed. Whether connectivism plays this role is irrelevant. Of most importance is that educators are reflecting on how learning has changed and the accompanying implications to how we design the spaces and structures of learning today.


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