distance learning: the application of computers and communication to education bill d. carroll,...
TRANSCRIPT
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Distance Learning:The Application of Computers and
Communication to Education
Bill D. Carroll, Ph.D., P.E.Professor and Chairperson
Computer Science and Engineering Department
The University of Texas at Arlington
Arlington, TX 76019-0015
email: [email protected]
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Abstract
The need for access to educational material, courses, and programs anytime andanywhere has led to the concept of distance learning or distance education. While thedelivery of education at distance is not new, recent advances in computer andcommunications technologies have opened up new opportunities and created newexpectations for both recipients and providers. In particular, the internet and the World-Wide-Web promise to revolutionize the educational delivery system and to change theconcept of distance learning.
The paper begins with a definition and brief historical perspective of distancelearning as a means to set the stage for discussing what the future may hold. Variousmodels of distance delivery are described and discussed in terms of their advantagesand disadvantages. The economic and social aspects of distance learning are exploredin the context of potential benefits and risks. Also, the paper addresses opportunitiesand pitfalls that distance learning offers for learners and for providers. Finally, thepaper offers a glimpse at the potential impact that the internet will have on the globaleducational delivery system.
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Outline
Need Definitions History Delivery models Opportunities Barriers Internet and the World-Wide-Web Economic and social issues Case Studies
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The need
Any time, any place Convenience Asynchronous access Remote locations
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Definitions -- 1
Distance learning -- student and teacher separated in place and/or time
Asynchronous learning -- educational material may be accessed at the student’s convenience
Distance education -- the delivery of a complete course or program at distance
Multimedia courseware -- course material containing a variety of media types, e.g., text, audio, graphics, video, animation
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Definitions -- 2
Distance learner -- the student receiving educational material at distance
Distance teacher -- the person primarily responsible for developing and delivering the educational material
Mentor -- a person responsible for assisting the distance learner
Competency-based education -- assessment of knowledge learned versus the accumulation of credits
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Definitions -- 3
Content provider -- the institution that “owns” the course
Course broker -- the institution that “offers” the course
Educational infrastructure provider -- the institution that provides the services to develop and/or delivery courses at distance
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Historical perspective
Correspondence courses (1940’s to present) Remote classroom facilities (1960’s to present) Closed-circuit television networks (1960’s to
present) Video tape delivery (1980’s to present) Satellite television (1980’s to present) Video conferencing (1990’s) Internet delivery (1990’s)
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The providers
Traditional universities Not for profit institutions, e.g.
– National Technological University (NTU)– Western Governors’ University (WGU)– Open University
For profit institutions, e.g.– University of Phoenix
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Types of programs delivered
Continuing education Specialized training courses Graduate courses and programs Undergraduate courses
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Delivery Models
Synchronous Asynchronous
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Opportunities
Increase access to education around the world
Improve the quality of learning Expand the educational marketplace Partnerships
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Internet and the World-Wide-Web
One-third of all college courses make use of E-mail One-quarter draw on resources of the internet One-eighth make use of multimedia applications
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Barriers -- 1
Costs– Development– Delivery
Higher education funding models Faculty and staff training Existing policies and regulations Security Intellectual property issues Access to resources
– Library– Computers
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Barriers -- 2
Quality control– Market forces– Accreditation
Student assessment – Delivery of examinations– Assignments– Projects
Pedagogy Need for open, non proprietary standards
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Social Issues
Absence of peer groups Student support services Absence of campus life
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Engineering programs
Laboratories Projects Homework Mentoring
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National Technological University
Private, not for profit Satellite and video tape delivery Master’s degree programs in a variety of
engineering disciplines Non-credit short courses Special programs Faculty drawn from participating universities
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Western Governors’ University
Mission -- to promote competency-based degrees through high quality distance education
Eighteen states in the western US Faculty
– No teaching faculty
– Mentor/advisor faculty Private, not for profit Degree granting Program and course broker Developing engineering offerings from Utah State University Recently entered into an agreement with the Open University of
the UK
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Open University
Britain’s largest teaching institution Correspondence based Extensive tutoring and support network Courses in engineering and computing
– Undergraduate– Graduate
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University of Phoenix
Private, for profit Programs offered at campuses and learning centers in
twelve states and Puerto Rico, online, and via the Center for Distance Education
Current degree programs offered at distance– BS in Business in several specialties– BS in Nursing– MA in Education– MA in Organizational Management– MBA– MS in Nursing
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Stanford Online (www.stanford.edu)
School of Engineering/Stanford Center for Professional Development
Online courses delivered using streaming video technology from Microsoft’s NetShow
Online courses may be viewed live or within 2 to 3 hours of delivery
Online MSEE with emphasis in telecommunications Admission and completion requirements the same for on-
campus and distance students Now also delivers courses from the School of Earth
Sciences and School of Medicine
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The University of Texas at Arlington
Center for Distance Education– Delivering network-based classes in political science
and geology
Engineering Center for Distance Learning– Closed-circuit television– Videotape– Internet streaming video
Nursing Television– Videotape to four outreach centers– Can earn a BS in Nursing degree (325 earned)
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UTA Engineering Center for Distance Learning
Internet-based courses– Streaming video of lectures using Real NetWare technology– Supporting materials provided via instructor web pages
Fall 1998 course offerings– AE 5303 -- Aerodynamics of Wings and Bodies– CSE 5311 -- Design and Analysis of Algorithms– CSE 5324 -- Software Engineering I– EE 5366 -- Communication Satellite Systems– ME 5310 -- Finite Elements– ME 5331 -- Analytic Methods in Engineering– PHYS 1443 -- General Technical Physics
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Conclusions
Problems to overcome– Technical– Pedagogical– Administrative– Political– Social
Demand Benefits