Computers are widely used in educational institutions
from elementary school to college. While computers have had as yet little
impact on the structure or organization of schools, educational software and
the use of the Internet has had a growing impact on how education is delivered.
History
During the 1950s and early 1960s, computer resources were
generally too scarce, expensive, and cumbersome to be used for teaching,
although universities aspired to have comput-ers to aid their graduate and
faculty researchers. However, during the 1960s computer engineers and educators
at the Computer-based Education Research Laboratory at the Uni-versity of
Illinois, Urbana, formed a unique collaboration and designed a computer system
called PLATO. The PLATO system used mainframe computers to deliver instructional
content to up to 1,000 simultaneous users at terminals throughout the
University of Illinois and other educational institutions in the state. PLATO
pioneered the interactive approach to instruction and the use of graphics in
addition to text. The PLATO system was later marketed by Con-trol Data
Corporation (CDC) for use elsewhere. During this time Stanford University also
set up a system for deliver-ing computer-assisted instruction (CAI) to users
connected to terminals throughout the nation. (See computer-aided instruction.)
By the early 1980s,
microcomputers had become rela-tively affordable and capable of running
significant edu-cational software including graphics. Apple Computer’s Apple II
became an early leader in the school market, and the introduction of the
Macintosh in 1984 with the Hyper-card scripting language inspired many teachers
and other enthusiasts to create their own educational software. By the early
1990s, IBM compatible PCs with Windows were catching up. Commercially available
computer games (such as Civilization or Railroad Tycoon) also
offered ways to enrich social studies and other classes (see computer games).
The advent of the World
Wide Web and graphical Web browsing in the mid-1990s spurred schools to connect
to the Internet. The Web offered the opportunity for educa-tors to create
resources that could be accessed by col-leagues and students anywhere in the
world. The use of Web portals such as Yahoo!, library catalogs, and online
encyclopedias gave teachers and students potential access to a far greater
variety of information than could pos-sibly be found in textbooks. The Web also
offered the opportunity for students at different schools to participate in
collaborative projects, such as community surveys or environmental studies.
Applications
Educational applications of computing can be
divided into several categories, as summarized in the following table. While
small compared to the business market, the educational software industry is a
significant market, tar-geting both schools and parents seeking to improve
their children’s academic performance. However, the educational use of
computers extends far beyond specialized software. Schools are in effect a
major industry in themselves, requir-ing much of the same support software as
large businesses.
Trends
The growth of the World Wide Web has led to some shift of
emphasis away from stand-alone, CD-ROM based appli-cations running on local PCs
or networks. Educators are excited about the possibilities for online
collaboration. Public concern about children achieving an adequate level of
technical skill (see computer literacy) has fueled an increasing commitment of funds for computer hardware,
software, and networking for schools.
Some visionaries speak
of a 21st-century “virtual school” that has no classroom in the conventional
sense, but uses the Internet and conferencing software to bring teachers and
students together. While there has been only limited experimentation in
creating virtual secondary schools, thousands of university courses are now
offered online, and many degree programs are now available. Some institutions
such as the University of Phoenix have made such “distance learning” a core
part of their growth strategy.
Several factors have
caused other observers to have mis-givings about the rush to get schools onto
the “information superhighway.” Many schools lack adequate physical facili-ties
and teacher training. Under those circumstances other priorities might deserve
precedence over the installation of technology that may not be effectively
utilized. At the same time, the lagging in access to technology by minorities
and the poor may suggest that schools must play a significant role in providing
such access and enabling the coming gen-eration to catch up (see digital divide).
The debate over how best
to use technology in the schools also reflects fundamental theories about
teaching and learning. Critics of information technology such as Clifford Stoll
(see Stoll, Clifford) have reacted against the mechanical, rote
nature of much educational software. They also decry the hype of some advocates
who have sug-gested technology as a panacea for the problems of low
performance, poor motivation, and lack of accountability in many schools.
Some advocates of
computer use agree with the criticism of uncreative and poorly planned
“e-learning” programs, but argue that the answer is to use technology that
helps good teachers unlock creativity. For example, Seymour Pap-ert and his
LOGO language are based on “constructivist” principles where students learn
through doing (see Papert, Seymour and logo). From this point of view, “computer literacy”
should not be a focus in itself, but one outcome of a program that creates
literate and capable learners (see computer literacy.)
No comments:
Post a Comment