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Machine Learning: Score One for the Robo-Tutors (Inside HigherEd)

This interesting and provoking article that was passed my way.  I was asked for my reaction because of my call for finding ways to increase the thresholds for teaching and learning online while at the same time maintaining quality. My reaction is a simple, "Good for them!"  CMU's robotic software has raised the threshold and maintained at least a similar level of quality as a the course in residence. The software targets all three of the domains of teaching, learning and course administration at the same time.

Now, how attractive would it be to obtain a degree by taking all of my courses in this fashion?  Even though, "... the machines were judged to be as effective, and more efficient, than their personality-having counterparts." I would agree with students who miss the human-human interaction (one of the keys of learning effectiveness).

However, and important in today's economy, this program as a result of being able to increase the threshold for a service course in this fashion or perhaps one of the intro-to-degree courses, they may now financially be in a position to able to offer smaller enrolled, more personality laden courses to fill out the degree program.  This trade-off in the larger context is now possible because a means was found to raise the threshold.

Are there other options?  Certainly.  Everyone should not start writing decision tree algorithms for presenting instruction.  This is a 'solve it all at once approach' and instead, one might zero in on just course administration activities, and ask 1) what are the time intensive activities of those that teach online (probably grading and groupwork), and 2) how can we make this more efficient?  Perry Sampson is doing exactly this but focuses on the activities of teaching and learning, i.e., how do we make the learning experience more interactive? His tools have demonstrated the capacity for a much higher threshold where students are doing some wonderfully interactive things with content and each other that they weren't doing before. High enrollments AND interactive inclusive. This is the approach that I argue online education in higher ed must tackle in order to endure over time.

What other examples out there we can point to that achieve this same combination of effectiveness and efficiency?
I recently sat through a wonderfully presented webinar on flipping the classroom.  Lectures were taped and presented before students attended class so that class time could be used in more interactive ways.  Faculty and instructors were stepping beyond their familiar boundaries in order to add value to their course experience.

Now, please don't get me wrong here... I think that having faculty and instructors looking at what they are doing in their classrooms, articulating why they are doing things as they are so as to impact the learning behaviors of students is wonderful - and we can not do enough of this!

But this process is not about flipping, and this is not about lecture capture!  This became even more obvious to me when the conclusions were presented.  The conclusions were that inverting the large classroom can increase student learning and engagement when:

• In-class and out-of-class activities are well-designed and delivered
• Instructors and TAs adequately support the instructional model
• All learning activities are well-aligned to course learning objectives

I had to ask myself, under what instructional circumstance would you not want this to be the case?  Am I missing something here?

Let's not worry about flipping or lecture capture but focus on what is the best strategy for getting students to learn, period.
I wrote an article that posits the opinion that online education is at a very important point in its developmental history. To make a long article short, online education is at the confluence of what it can do and what it needs to do. 

What online education can do is it can successfully reach students at a distance in very powerful ways.  This confirmation that significant learning does take place has perhaps finally gotten past the debate of no significant difference, that online learning is at least as effective as, if not better, than the face-to-face alternative. 

However, what online learning needs to do is to be practical and effective given today's world, given today's marketplace and economy to be more precise.  There is a press for increasing enrollments in higher education.  This is an economic reality that all programs are facing.  It would be wonderful if all online courses enrollments were capped at 16, or even 25 or 30, but I assert that reality will suggest that this might not be feasible - at least for all courses in an online program. 

As instructional designers, what can we do?  We can start by talking about instructional strategies in terms of thresholds.  There are lots of different tools, approaches, applications and strategies that one can apply in online learning contexts and they all work well within certain parameters.  It is my opinion that many of these will break down and become untenable as enrollment numbers increase.  This breakdown will occur, not because the strategy or application is not a good idea or doesn't work, the breakdown will most likely occur administratively in that it will simply be too much work for the instructor.  Hence, we need be begin speaking in terms of thresholds, i.e., with how many students will this work before it burns out the instructor.

We could solve this by simply 'canning' courses using lecture capture, provide automatically generated feedback to questions and fancy buttons for turning to the next page.  However, if quality is what we are  after then reducing interaction and time on task is not the way to maintain quality.  We need new tools - tools that provide administrative efficiencies for online educators that do not exist yet.  This means that instructional designers, developers and teachers need to talk - and most importantly they need to speak in terms of thresholds.
The term 'flipping the classroom' is something that I have heard a bit lately and have attended a couple of conference presentations where this was the focus.  Now perhaps I am getting cynical in my old age but this term has troubled me right from the beginning. 

It is my understanding that is at the heart of 'flipping the classroom' is to get teachers to think about how they are making use of a student's time, both in and out of the classroom.  'Flipping the classroom' often targets those teachers who spend a great deal of time in class lecturing.  Instead of lecturing, teachers are encouraged to record this material so that students can review this material before they come to class.  In this way, the teacher can use the time spent in class in new and perhaps more interactive ways.

What's wrong with this?  Nothing.  What's new here?  In my mind, nothing.  Thinking about how you use your and your students' time both inside and outside of class is something that all teachers should do.  It is the heart of what teaching and learning is all about.
One of the things about Web 2.0 content is that it gets us to begin thinking about content in more creative and less static ways.  Just because something is published to a web page does not mean that it has to stay there...

Let's think about how this could be useful...

We know that some web pages contain content originally published someplace else.  This content reports to this page, sometimes because a tag was used to indicate this relationship.

master_page.gifWhat if we could put this functionality into the hands of every user?

What if we created one page, a master page that serves as the container looking for certain tags. 

Now, we can have users create a blog entries that include this tag.  These blogs entries would report not only in their blog listing along with all their other blog entries, but more importantly report to the master page as well.

Let's make the master page focus on the learning outcomes for a course or even a program.  Let's use tags that are associated with learning outcomes.  Will this help use organize what we do and share this more efficiently?
I have been asked by a number of individuals how to embed video here.  So, here are a couple of methods.

FIRST - you must have captured video and made it available in a web playable format.  For instance, web browsers will most likely automatically recognize movie files with the extensions .mov (Quicktime) or .wmv (Windows Media Player) and use the proper player.  But it depends on how the user has configured their browser.

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EASIEST OPTION:  Link to the movie file

Use the 'Insert File' option in your Moveable Type Dashboard editor to upload and insert the file into your page or blog entry.

Example: Introduction to e-Portfolios: A Short Movie welcome.mov (1MB)

Notice that I let the user know how large this file is!

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EMBED OPTION: Here you want the player to show up right in your web page or blog entry.  If this is the case then you need to use the following code.  Copy and paste this into the source code (<A> icon in your Moveable Type editor) - you will have to decipher the HTML code you find there and look for a good place to place this code.

<embed src="moviename.mov" width="240" height="196" controller="true" autoplay="true" type="video/quicktime"></embed>

Where:

  • src is the name of the movie file.
  • height and width correspond to the dimensions of the movie.
    (Add 16 pixels to height for a movie controller.) A controller can be true - present, or
    false - absent
  • autoplay set to true lets the movie begin playing without user intervention
    if so saved.
  • type helps browsers recognize QuickTime when the page is opened locally, not
    from a web server.

Example: Introduction to e-Portfolios: A Short Movie



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YouTube OPTION: This option is the best of both worlds it seems, you share your video on your site, but the video is being stored elsewhere! 

First, create an account at YouTube, then upload your video there.  You have up to 10 minutes or 10 MB for each video I believe - check the fine print - but once your video is processed and available, copy the embed code (upper right of the YouTube page) and paste this in the source code of your Moveable Type web page or blog entry, again deciphering the HTML to figure out where a good place for this to go might be.

Example:  Introduction to e-Portfolios:  A Short Movie





Need help with any of these options?  Check with the Digital Commons at your Penn State campus location.
Over the years Penn State's involvement in the coalition has provided us with opportunities for moving thinking into action.  Do we use our discussion and notes about integrative learning? Here is an example of where we are now:

"Integrative learners do not separate learning from life..."

The integrated learning experience presupposes purpose, involves reflection and personal connection, while at the same time implies an understanding of what the important attributes, values, understandings that are to be learned.  From the beginning of our involvement NCEPR our goal at Penn State has been has been to find out whether a structured e-portfolio system, designed to communicate high expectations and intended learning outcomes could have an impact on student engagement and learning.

In other words, how do we share a 'big picture' of learning and then place our students within this picture such that this position serves as a scaffold for finding new understandings, promoting meaning making that leads to self-authorship, concepts that Kegan and Baxter-Magolda advocate.  We know we need to invite prior experience to play an important part in shaping this experience but also realize that students bring messy pictures into this arena.  The challenge lies in the gap between where students are and where our big picture implies they should be.

What is the developmental pattern for how students can be brought through this integrative process? A simple advanced organizer is not enough.  How do we infuse structure while at the same time allow for a flexibility that cultivates students' becoming 'architects of their own education'?

We've moved through a variety of unsatisfactory solutions and frustration surrounding technology as 'a moving target' is getting old, but we are learning.  Nonetheless, we are excited about our most recent deployment, MovableType4, to support Blogging as e-Portfolios.  We don't think of this as a new service because of how nicely it integrates into the technology infrastructure already in place.  Further, it has dramatically reduced any learning curve associated with online publishing, students are comfortable with its capabilities and convenience. But more importantly it allows us to 1) include templates that state program learning outcomes, 2) use tags to associate artifacts with these outcomes, 3) use tags to provide intellectual access to content previously not possible, and 4) aggregate and 'pack up' specific program outcome related evidence for assessment or evaluation purposes.

We are hopeful that this most recent exploration into the use of the MovableType blogging platform will help us in delivering the three curricula we have been talking about: the delivered (teachers' goals for students), the experienced (students' perceptions of the learning experience) and the lived (personalization of how this is experienced in life). The unobtrusiveness of this solution is perhaps it greatest feature because looking back at earlier solutions we've thought that perhaps the more we get out of the way, the better we'll serve our students.

As Kathleen Yancey noted at the Waterloo meetings, "Biggest take-way: be very intentional with communication." 

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