Introduction |
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New media emulate old media at first. We will take a quick look at the
evolution of books set with moveable type, movies and television then turn to
teaching materials. Today’s textbooks and university programs
are by and large digital emulations of the past, but there is a lot of
experimentation going on. We will describe experiments with
modular teaching material, student-developed teaching material, peer tutoring
and very large classes. |
Technology with implications for
individuals, organizations and society |
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Teaching and learning is an important
network application area with implications for organizations, individuals and
society. |
New media emulate predecessors movies |
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New media often start out emulating old
media. Early movies were made by setting up a
stationary camera and filming stage plays. Shooting on location, moving cameras and
many other innovations followed, but years later some movies were still
filmed stage plays. http://en.wikipedia.org/wiki/File:Assassinat_du_duc_de_guise.jpg http://www.imdb.com/title/tt0061184/ |
New media emulate predecessors:
television |
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Early television shows often had
performers standing in front of a curtain or acting on sets similar to
vaudeville or stage plays. |
New media emulate predecessors:
books |
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Books followed a similar pattern. In 1455, Johannes Gutenberg’s bible was the
first book printed using movable metal type. It is the distant ancestor of our
current textbooks. But, today’s textbooks would surprise
Gutenberg. The Gutenberg Bible resembled the hand
written manuscripts on which it was based. It did not have punctuation or
paragraphs. A single page was around 12 by 17.5
inches – suitable for contemplative reading in a library. The illustrations were added for beauty
and feeling, not clarification. Like the hand copied books before it, it
was a religious book. Gutenberg’s breakthrough was in
production, not format or content. |
Slow evolution of the book |
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Fifty years after Gutenberg, Aldus
improved production by printing eight pages on a single sheet. This led to smaller, portable books that
could be carried or placed in a saddle bag. Aldus also introduced punctuation, like
the commas, periods and semicolons shown here, and italic type, which fit
more letters on a page. But, like Gutenberg, Aldus would be
surprised by the variety of punctuation and typography in today’s textbooks
as well as innovations like chapters, callouts, indices, tables, diagrams,
tables of contents and images with captions. |
Digital textbooks emulate print
textbooks |
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Textbooks today are at the “Gutenberg
bible” stage. Textbook publishers have digitized their
books, making them available online in various formats. Many maintain the notion of a book-sized
page and often preserve the page numbering of the print version. These e-books look better than PDF
documents, but they are constrained by the previous format. Like Aldus, they have gone somewhat
beyond their predecessor, but remain tied to the notion that the course is
contained in a book of pages. |
Digital classes emulate face-to-face
classes |
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Many universities are offering online
classes, but, like the textbook publishers, they are emulating the past. They typically offer the
"same" courses online as they teach in the classroom. They use the same textbook and ancillary
material, but use course management systems to substitute threaded discussion
or some other social media tool for in-class discussion and administer
conventional assignments and tests. |
Digital lectures emulate
face-to-face lectures |
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Schools also repurpose old courses by
making video recordings of lectures with slides. But, like books, movies, television and
other media, textbooks and classes will change. It is too soon for me to predict the
future of teaching and teaching material, but I don’t think it will center on
digital textbooks, learning management systems and recorded lectures. Publishers and schools will resist it,
but changes in education will come faster than with previous media because of
the low cost of experimentation and innovation on the Internet. Let’s look at a few examples –
experiments with modular teaching material, student-developed teaching
material, peer tutoring and very large classes. |
Examples of collections of
independent modules |
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Here are three modular courseware
examples. The California State University system
established the Merlot portal for modular teaching material in 1997, and
today it contains nearly 34,000 peer reviewed modules in 23 disciplines. Commoncraft and TED Ed produce short educational videos. Each is on a single topic and most are
under five minutes long. These are collections of independent
modules, but a course can also be constructed modularly. |
A collection of modules for a single
course |
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Nature publishing offers a modular
Principles of Biology course, that was developed in conjunction with the CSU. There are 196 modules and a professor selects
the ones he or she wants to include in the “textbook” for their class. I put “textbook” in quotes because it is
neither a text nor a book. Each module is a scrolling multimedia
Web page with embedded quizzes. Nature’s business model is also innovative. They plan to continuously update the
material, and the student purchases a lifetime access subscription rather
than a one-time book. |
Hierarchically organized modules |
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The Kahn Academy has over 3,000 short
videos on a variety of topics along with system for administering quiz
questions and tracking student progress. A user can jump directly to any video,
but they are organized hierarchically. For example, there are 11 Arithmetic
and Pre-Algebra topics. The first of those 11 topics, Addition
and Subtraction, is shown here. The Addition and Subtraction
topic consists of 16 video lessons. In this example, the student has
demonstrated proficiency in the Addition 1 lesson (blue), and is
prepared to go on to one of four subsequent lessons (green). He or she demonstrated proficiency by
answering several questions correctly. |
Modules created by students |
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Many people are experimenting with
student generated teaching material. For example, in Georgia Tech’s Techburst
project, students create educational videos on topics of their choosing. Tech awards prizes to the best videos. Since tools for creating student
generated material are cheap and easy to use, faculty at virtually every
university are encouraging students to produce teaching material. For example, students in a Drake
University journalism class produced reviews of 20 Twitter tools. In this project, the students learned
about the Twitter ecosystem and also created something of value to others. There is a proverb that “to teach is to
learn twice,” and that is certainly true. A person making teaching material for a
skill or concept will learn it very well. |
Peer teaching and student
collaboration |
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There is a lot of positive research on
peer teaching -- both the tutor and tutee benefit. Many faculty encourage peer teaching and
it is institutionalized at some universities. Take for example the peer tutoring
program at the University of Massachusetts at Lowell To be a peer tutor for a class, a
student must have a letter of recommendation from the professor, a grade of
B+ or better in the class and an overall GPA of 3.0. Peer tutors can be available during
online office hours or using asynchronous communication tools. Conversationexchange.com provides
another example. To learn or practice foreign languages,
people pair up for conversation, chat or email. Nature and other publishers are
establishing mechanisms whereby students in classes that use their material
can collaborate with and help each other, regardless of where they go to
school. The CSU is planning a similar program to
encourage communication and collaboration among students taking a given class
on any campus in the system. |
Very large online courses |
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Others are experimenting with very large
classes. The largest to date so were three
Stanford computer science classes offered in the fall of 2011. The largest had 160,000 students, and
its instructor, Sebastian Thrun (shown on the right), is now offering courses
through an educational startup, Udacity.com. The Stanford/Udacity model is
interactive. The student watches a short video
presentation by the instructor, takes a short quiz, then continues. There are homework assignments and exams
as well. |
Types of teaching material |
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Most of the teaching material we have
discussed has been video or interactive video, but modular teaching resources
come in many forms. Something as small as a quotation, image
or diagram that helps students acquire a concept can be a useful resource. The Internet is an ideal medium for such
highly focused material since the marginal cost of adding an item to a
collection is essentially zero. Amazon capitalized on this from the
start, recognizing that perhaps 100 best-selling books would account for half
their revenue while the other half would come from sales of many thousand
books, which sold few copies. Similarly, the cost of storing a diagram
that effectively illustrates a specific concept that is only taught in a
single course is essentially zero. While storage cheap, organizing and
indexing material so effective resources are easily discovered is difficult. This fine-grained modularity also makes
it easy for a teacher to improve a resource or add a new one. As with Wikipedia, a contributor can
focus on a single topic without concern for the overall collection. |
What are the implications? |
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The Internet has cause disruption in the
music, book, newspaper, magazine, movie and television industries. The textbook industry is already
changing with the introduction of electronic texts, textbook rentals, online
access and so forth. Are universities next? What will happen if massive classes with
hundreds of thousands of students turn out to be good alternatives for, say,
half of the undergraduate curriculum? Will schools that focus on teaching survive? Will universities be able to fund
research? Will a better educated work force
improve the overall economy? |
Summary |
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New media typically begin by mimicking
old media. Books, movies and television provide
examples of that. Textbook publishers and universities are
doing the same – using digital technology to emulate old materials and
methods. But, the low cost and ubiquity of the
Internet assure us that new materials and methods will be invented. We still do not know what they will be,
but millions of professors and companies are experimenting with digital tools
and techniques. We surveyed some of these experiments
with modular teaching material, student-generated teaching material, peer
teaching and very large classes. We also noted that Internet based
teaching material could take many forms and be tightly focused. We concluded with a few questions about
the possible impact of all this on the university, but are not yet ready to
provide any answers. |
Self-study questions
1. Find a Merlot module
that is relevant to a course you are currently taking. Write a brief description of the module and
state whether it would be helpful to you?
If so, show it to your professor.
2. Find a Kahn Academy
module that is relevant to a course you are taking or took in the past. Write a brief description of the module and
state whether it would be helpful to you?
If so, show it to the professor.
3. Would you be willing
to pay $49 for a lifetime subscription to a regularly updated textbook for any
course you have taken? Which one?
4. List the advantages
and disadvantages of Nature’s electronic text compared to a traditional biology
textbook.
5. List the advantages
and disadvantages of Nature’s electronic text compared to an electronic version
of a traditional biology textbook.
6. What will be the
implications for individuals, universities and society if it turns out that
online courses with 100,000 students are effective?
Resources
•
Review of
Nature’s modular biology text: http://cis471.blogspot.com/2011/11/post-gutenberg-e-text-for-biology-101.html
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Merlot: http://www.merlot.org
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The Kahn
Academy: http://www.merlot.org
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Techburst videos:
http://www.youtube.com/playlist?list=PLA9F9FCE212B121CF
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Techburst home: http://c21u.gatech.edu/techburst
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A modular digital
literacy course: http://cis275topics.blogspot.com/2011/04/modular-it-literacy-course-for-internet.html
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Digital literacy
– evolution, curriculum and a modular e-text: http://som.csudh.edu/fac/lpress/presenatations/modularbiotext.pptx
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The legacy of
Aldus Manutius and his press: http://net.lib.byu.edu/aldine/
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Stanford and
other massive online classes: http://cis471.blogspot.com/search/label/mooc
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Udacity: http://blogs.reuters.com/felix-salmon/2012/01/23/udacity-and-the-future-of-online-universities/
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MIT plans: http://tech.mit.edu/V131/N60/mitx.html
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Review and
assessment of the first Stanford classes:
http://newsletter.alt.ac.uk/2011/11/what-can-we-learn-from-stanford-university%E2%80%99s-free-online-computer-science-courses/