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Online
education refers to any form of learning/teaching that takes place via a
computer network. The network could be a local bulletin board system
(BBS) or it could be the global internet and world wide web. The network
could also be a local area network (LAN) or an intranet within a
particular organization. Historically, online interaction has been
called "computer mediated communication" (CMC), although this term
covers applications beyond instruction (e.g., decision-making in work
teams).
The most common function used in online education is electronic mail
(email) that allows students and teachers to send messages to each
other. In addition, most networks also provide conferencing capabilities
that let participants conduct multi-person discussions either in
real-time (often called "chats") or on a delayed basis (asynchronous).
There are also more elaborate systems called MUD/MOOs for group
interaction as well as many "groupware" programs. The latter often
involve simultaneous viewing of graphics (slides) and use of a shared
writing space (i.e., electronic whiteboard). Online education also
involves access to databases in the form of text files or multimedia web
pages, as well as the exchange of information (e.g., assignments, course
materials) via file transfers.
It is not the purpose of this guide to describe the various capabilities
of networks or different types of CMC systems, but to focus on the
instructional aspects of online interaction. There are many good books
that discuss these aspects and you should consult them for such details
(see Bibliography) . To read about the latest research on this subject,
see the International Journal of Educational Telecommunications
(published by AACE ), THE Journal , or Educational Technology magazine.
The publications of the ACM and the IEEE provide good background on the
computing technologies involved.
In most cases, online instruction takes place in the context of distance
education, i.e., settings in which learners and teachers are located in
different places and all or most interaction takes place via the
network. However, this guide does not discuss distance education at
length; for more information on this subject, see the resources section
of the Online Chronicle of Distance Education & Communication or my
textbook on the topic.
Some
Misconceptions about Online Education
People who have little or no experience with online learning or teaching
tend to harbor some misconceptions (which are quickly cleared up after
actual participation in online classes). The most common misconception
is that online classes will be fairly sterile and impersonal. But once a
person starts to interact with other group members, they quickly
discover that an online learning environment can be very rich and very
personal. Participants often establish online friendships which outlast
the particular class. Furthermore, people typically find that they are
drawn into the subject matter of the class much more deeply than in a
traditional course because of the discussions they get involved in.
A second misconception is that online education is only for "techies",
i.e., people who have a lot of experience with computers. It is true
that you have to have some minimal computer skills to participate in
CMC, but you certainly do not need to know (or care) very much about
computers. With modern software, participating in an online course
shouldn't require much more technical know-how than what you need to
operate any other piece of office equipment (e.g., fax machine, copier).
On the other hand, you do have to have convenient access to a properly
equipped computer system in order to participate regularly in an online
class; this means having a machine at work and at home (preferably both
-- and a laptop if you travel a lot).
Another common misconception is that online classes will be easy --
easier than conventional classes. But almost all participants report
that they find online classes much more work -- and much more rewarding
-- than traditional courses they have taken. Again, this has to do with
the amount of thought about the subject matter that results from online
discussions. Such classes also require the self-discipline to do the
preparation required for online participation and activities -- homework
is homework, whether online or offline!
Finally it should be mentioned that almost any form of assessment or
evaluation is possible with online classes. You can do traditional
quizzes or tests with multiple choice questions or problems to be solved
if you want; they can even be done with time limits. However, it seems
that assignments and projects that involve critical thinking,
creativity, problem-solving and group discussion/interaction are more
appropriate for online education. Portfolio methods that involve
journals or work samples are also ideal for CMC (especially when the web
is used since they can include multimedia components).
The question of cheating always comes up with any form of online
education since online activity is normally done in an unsupervised
setting. To the extent that assessment involves assignments or projects
unique to a given individual (or done in a team or group context), this
is not likely to be a problem. Tests can also be made unique for each
person -- or they can be conducted in a supervised environment (like a
library or learning center) if really necessary. Basically, if people
are going to cheat, they will find a way, online or not.
Assessing group performance in an online setting is a little more
difficult than evaluating individual efforts -- particularly when people
do team projects with a single outcome representing the collective work
of the group. [Note that this is just as true in traditional classroom
settings.] However, it is possible to have the contribution of each team
member identified and perhaps background work shown in Appendices or
attached files/web page links.
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