Archive for October, 2008

Fifty Years Later

October 16th, 2008

The ‘gator turned up this tidbit this morning.

Today is the 50th anniversary of Edward R. Murrow’s seminal address about radio and television. Now known as the “wires and lights in a box” speech, Mr. Murrow implored the attendees at the Radio and Television News Directors Association convention to make the most of the two electronic media, rather than allowing them to insulate Americans “from the realities of the world in which we live.”
‘Wires and Lights in a Box,’ Fifty Years Later – NYTimes.com.

I’ve long been a fan of Murrow’s. That era of television is fascinating in the parallels it has with the evolution of the Internet. Murrow, Cronkite, Huntley-Brinkley … names to conjure with. Sometimes I compare those names to the ones we have today and just sigh in dispair.


Learning as Network

October 15th, 2008

Following up on the connectivist idea from yesterday comes this snipped:

If an individual has realized all potential connections, that would define the condition of “known.” If an individual has realized none of the potential connections, that would represent “unknown.” Someplace in between would represent the zone of proximal development, that is, a place where new knowledge could be linked in. For the purposes of the network representation, that would be “the edge.”
Distributed Representation.

One problem with my visualization is that it might be too literal, but I think it gives ZPD a kind of operational definition.


Learning Networks and Connective Knowledge

October 14th, 2008

This story and article are a couple of years old now but in a lot of ways, I think it’s representative of the roots of what has now become one of the most visible of the open courses running:

The purpose of this paper is to outline some of the thinking behind new e-learning technology, including e-portfolios and personal learning environments. Part of this thinking is centered around the theory of connectivism, which asserts that knowledge – and therefore the learning of knowledge – is distributive, that is, not located in any given place (and therefore not 'transferred' or 'transacted' per se) but rather consists of the network of connections formed from experience and interactions with a knowing community. And another part of this thinking is centered around the new, and the newly empowered, learner, the member of the net generation, who is thinking and interacting in new ways. These trends combine to form what is sometimes called 'e-learning 2.0' – an approach to learning that is based on conversation and interaction, on sharing, creation and participation, on learning not as a separate activity, but rather, as embedded in meaningful activities such as games or workflows.

Learning Networks and Connective Knowledge ~ Stephen’s Web ~ by Stephen Downes.

As we’re talking about theory, here’s a good introduction to some of the (still) most current thinking.


Learning Styles, Again.

October 13th, 2008

As I was reviewing some closed discussions on the 688 discussion board, the Learning Styles construct keeps coming up. I’ve written about this in length here, and the link to the most comprehensive refutation is listed in this article:

Several of you have referred to “learning styles” in some of your posts and comments. I know it’s fashionable, but it’s also not supported by any credible scientific evidence. It’s intuitively appealing but it appears to be superstition. For a critique of the extant literature on this see:

Learning Styles.

The question often comes up, given my proviso regarding scientific evidence, “What would you consider credible evidence?”

Answer: Pretty much anything that actually establishes the hypothesis and goes about testing it. Key elements there involve showing that an individual student consistently learns “better” — presumably using some specified outcome assessment — using one mode over another. In order to justify the “Learning Style” theory, that individual student MUST show sigificant improvements across a wide variety of content areas delivered in a variety of modes and therein lies the rub. Whatever design this research takes, it must somehow tease out that causal relationship between the delivery mode and the outcome that’s independent from the repetition.

So? How do you prove that little Mary learns best by hearing? You can’t give her the same lesson in multiple ways, because then any measured improvement is confounded by repetition – which we know has an effect. Further, you can’t be sure that the recoding to cross media from – say – audio to visual is actually the same message so there’s the additional problem in interpreting the messages as to whether or not it’s the repetition, the encoding, or the “learning style” that made the difference.

And it gets more complicated when we factor in a variety of content domains. Teaching “visual learner” Tommy how to read visually is one thing. Teaching him volley ball is another. Credible research would have to account for that.

Yes, I know that learning style theory says that an individual cannot learn using another style, only that they learn best in one, consistent mode, regardless of content or context, and frankly, I’m not buying it. On its surface, there is an intuitive appeal, but when you get into the nuts and bolts of how this thing must have to work if individuals had “learning styles” it seems implausible.


Theory!? What Theory?!

October 13th, 2008

Let’s talk theoretical here. Take a look at this article:

From there, we can establish a baseline for differentiating predictive, explanatory theory — ’scientific theory’ — from common usage of the term as speculative conjecture. This is important because Education theories are expected to fall in the former (scientific) category and not in the latter (conjecture) category. The way a theory works is that somebody gets an idea — the hypothesis — and proceeds to test it using various tools and techniques.

What’s a Theory?.

Please note that we’re talking theoretical, not hypothetical. There’s a lot of attention in the public sphere about what, exactly, a theory is. The distinction is important because we need to be clear about the basic construct of theory before we get sucked into the morass of Educational Theory. A theory, in the sense we’ll be using it here, is as “explanatory construct being examined in a systematic way.” The key tools in that examination are logic, observation, hypothesis, and conclusion. It’s extremely important to recognize that you can’t prove that something doesn’t exist — only that you haven’t found it yet. The reason that’s so important is to make sure we’re asking good questions.

Learning Styles is my favorite non-theory. There are a lot of people who are willing to say that learning styles do not exist — like this guy. Sometimes, in moments of weakness, I’m one of them. I’m perfectly willing to have people continue to search for evidence in support of the theory. That’s what scientists do. My problem with it is that it seems so nonsensical that the likelihood of it actually being true is too remote for me to waste spend time with it. Logically, it just lacks a level of coherence that I need in order to take it seriously.

On the other hand, Connectivist (and even Constructivist) theory — which are “learning theories” and not “educational theories” — make a certain amount of logical sense. They’re even complementary in that subscribing to one doesn’t preclude accepting the perspective of the other. Connections have to be Constructed. Both theories are supported by what we observe in instructional settings – namely, students seem to learn better if we create experiences where they are able to build (construct/connect) on their previous knowledge using their own internal and external feedback and analysis loops.

But this whole thing goes back to an older question — one that’s more foundational. What do we know and how do we know it? Are we required to have some positivist experience of reality in order to prove knowledge? Does some kind of objectivist reality exist independent of observer? Or is it all just Vishnu’s dream?


The Learner

October 11th, 2008

I wrote this piece about the relative roles of teacher and learner a couple years ago and I think it still holds true:

If the role of the teacher is to provide the bridge, the the role of the learner must be to identify those bridges which are useful in some way and use them. On the face of it, this seems like a no-brainer. But trying to dig into the idea becomes a frustrating exercise in teasing out the skills from the roles. This is particularly true when we start talking about oxymorons like “online learning.”


phaedrus » Blog Archive » The Learner.


I’m doing it wrong

October 10th, 2008

Dean Shareski is one of my heroes. His “Ideas and Thoughts From and EdTech” has been in my ‘gator for years now. This post from yesterday has been haunting me as I think about the role of the teacher. It starts like this:

According to many definitions of good teaching, I don’t qualify:

  • I don’t clearly state objectives
  • If I do state them, they are as fuzzy as all get out
  • I have a hard time measuring student progress
  • My course syllabus changes almost daily
  • I never use tests<
  • I constantly stray off topic

There are likely a multitude of sins I have not listed.

I’m sure I’m doing it wrong.

I relate to this list. Sorta.

I’ve been accused by past classes of not stating objectives clearly. Actually, I think that’s probably true, up to a point. As you’ve probably learned by now, the class itself is an exemplar of what I believe about online instruction. That first week when I tell you what I want you to do seems to me like a very clear set of objectives in terms of activities. I ask you to set up your blog, aggregator, instant messenger, and TappedIn office. I further assign you a series of specific activities with each of those tools. I don’t tell you what you’re supposed to learn from that activity nor do I tell you how to do it, beyond some very general pointing to resources you might find useful. The reasons for that should be obvious by now. What I wanted you to learn was:

  1. You could do it largely on your own
  2. Environments that violate your expectation are highly instructional
  3. There is great personal satisfaction in accomplishing these kinds of tasks

The paradox here is that you wouldn’t have learned these lessons if I’d told you about it in advance. It’s more akin to getting to the top of the mountain and looking down the other side. Whatever I tell you about what you’re going to see from there is meaningless until you get there to see for yourself. More, if I condition you to see only certain things, your perception of that view will be colored in a way that’s counter productive. The best I can do is keep saying “You’ve gotta see this! It’s amazing!”

As a teacher, I have to differentiate my instruction to accommodate your individual ZPD in order to give each of you the opportunity to make as much progress as you can. It’s not my intent that each of you should make the same progress. Unlike typical classes where the goal is to cover some prescribed set of content, this course is intended to give you as much new knowledge in this area as possible because I recognize that it would take years, not weeks, to instill in each of you the depth and level of knowledge represented by a course entitled “Principles of Distance Education.” As a result, I need to prioritize, organize, and introduce that domain to you in a way that maximizes your learning, builds a foundation for future exploration of this cognate, and perhaps inspires you to continue learning about and growing into this space after the course is over.

You may or may not realize that what each of you is doing in this course is building what’s known a a “personal learning environment” — more specifically, a “personal learning network” — which you will be able to use after the course is over for any content domain you desire, not just those prescribed by your course of study. Sadly, I recognize that most of you will drop your engagement like a hot potato as soon as the course is over, but at some point in the future, you may recognize the need you have for ongoing study and you’ll have the foundation you need in order to become effective learners in thi information dense environment represented by the general moniker of “21st Century Learner.”

In short, unlike the typical course where the instructor expects you to all end at the same place, I expect that every person will leave the course in a different place, but a place which represents the highest possible level of advancement you can achieve given your individual circumstances, skill levels, and knowledge base.

But I didn’t tell you that and as an “objective” it’s – as Dean puts it – “fuzzy as all get out.”


History of Online Worlds

October 10th, 2008

Sometimes we lose sight of history. Raph Koster’s timeline, while perhaps obscure at times, attempts to chronicle the development of an important artifact of our times.

The following is a timeline of significant events for the development of virtual worlds. This has been reprinted at a few places, including MudCenter and Four Below Zero. I welcome more additions to the timeline. Check at the bottom of this for a list of sources.

Raph Kosters Home Page.


Alec Courosa Open Doctrine

October 9th, 2008

Darrell Cannell is a member in good standing of the Canadian Content Contingent. His Teaching and Developing Online blog is one of my “Must Read” feeds.

I like the tone of this, why does it always feel like we are fighting to be accepted.

Teaching and Developing Online.: Alec Courosa Open Doctrine …made me laugh..

I didn’t track back to the source of this video because I’m short on time, but it made me laugh, too.


The Video Game Revolution

October 9th, 2008

There’s a great conversation swirling around this interactive timeline of video gaming over on the GAMESNETWORK list: The Video Game Revolution: The History of Games | PBS.

The conversation has to do with “why this game instead of another?”

As in any field, there are opinions on both sides.